User Log-in Issue in SAP (urgent)

Question

Dear SAP Experts,
In our concern, we have more users in several departments. Now We would like to reduce the log in and log out for users.
but We are having 20 SAP User license only.
Tell us your suggest
Either we have club the work minimize logging.
or
We have to buy new user license.
thanks n regards
Ramana

Answer 1

Total 10 persons available.
Vendor Master - Display
Material Master - Display
Condition Master - Display
Inforecord - Display
Maintain Source List
Display Source List
Purchase Req - Create
Purchase Req - Change
Purchase Req - Display
Purchase Req - Release
Purchase Order - Create
Purchase Order - Change
Purchase Order - Display
Purchase Order - Release
Stores Dept Transactions
Goods Receipt for PO/Return Delivery to Vendor
Transfer Posting
Goods Issue
Inventory Stock Reports
Display material document
Capture of Excise Invoice
Create/Change/Display Depot Excise Invoice
Create Sub-contracting challan
Change Sub-contracting challan
Display Sub-contracting challan
Reconcile Sub-Conrating challan
Complete/Reversals/Recredit of S/C Challan
Depot Stock With Balances
Annexure IV Report
Excise Dept Transactions
Excise Master Maintainance
Update RG1 Register
Extract & Print Excise Registers
Create Tax Code
Sales Tax register
Reversal of Excise duty for rejected items
Change/Posting of Excise Invoice
Monthly Utilization
Excise JV'S
List of Excise Invoices
Invoice Verificaiton
Enter Invoice
Park Invoice
Invoice Verification in Back Ground
Display invoice Document
Cancel Invoice Document
Release Block invoices
Display list of invoices
Invoice Overview
Output Messages
Evaluated Receipt Settlement
Automatic Delivery cost settlement
Invoicing plan Settlement
GR/IR account Maintaince
Display/Cancel Account Maintaince Transaction
Change Material document
Enter Goods Issue
Enter Transfer posting
Enter other goods receipt
Create Reservation
Change Reservation
Display Reservation
List Display Reservations
Reservation list inventory management
Goods receipt for order
Plant Stock Availability
Stock on posting date
Shelf life list
Output from goods movement
Stocks at sub contractor
Enter return delivery
Cancel material document
Material analysis-stock selection
Material analysis-receipts/issues-selection
key figure:Slow moving terms
Key figure:stock value
Key figure-Dead stock
Stock requirements list
Changes to source list
Reorganize source list
Source list for material
Changes to purchasing info record
Quotation price history
Info records per vendor
Info records per material
Purchase order price history
Release(Approve) purchasing documents
Purchasing documents for material group
Purchasing documents per project
Purchasing documents per account assignment
Purchasing documents per vendor
Purchasing documents for material
Purchasing documents per document no.
SC stock monitoring for vendor
Purchasing documents per supplying plant
Create Contract
Change Contract
Display Contract
Purchasing documents for material group
Purchasing documents per vendor
Purchasing documents for material
Create RFQ
Change RFQ
Display RFQ
Maintain Quotation
Display Quotation
Price comparison list
Purchasing documents per requirement tracking no.
Purchasing documents for material group
Purchasing documents per vendor
Purchasing documents for material
Purchasing documents per document no.
RFQs per collective no.
Release:Purchase requisition
Collective release of purchase requisitions
Assign source of supply to requisitions
Assign and process purchase requisitions
Ordering:Assigned purchase requisitions
Automatic creation of purchase orders from requisitions
List display of purchase requisitions
List display of purchase requisitions
Maintain vendor evaluation
Calculate scores for semi automatic & automatic sub criteria
Evaluation Comparison
Ranking list of vendors
General evaluations
Analysis of purchase order values
Message output
Message output
Create physical inventory document
Change physical inventory document
Display physical inventory document
Enter inventory count
Change inventory count
Display inventory count
Post inventory difference
Post count and difference
Enter recount
List of inventory differences
Print physical inventory document
Physical inventory list
Selected data for physical inventory documents w/o special stock
Display vendor
Service entry sheet
Display changes
Extend material view(s)
Materials list
Close period for material master records
Price change
Debit/credit material
Revaluation with logistics invoice verification
Display inspection lot
Display usage decision
Inspection lot selection
Create quality cert receipt
Change quality certificate
Display quality certificate
Record results
Change results
Display results
Result printout
Display QM Info Record
QM Info Record Collective Processing
Create notification
Change notification
Display notification
Display inspection plan
Task list changes
Display master inspection characteristic version
Display material specification
Maintain Service Master
Display Line Items (Vendor)
Display Balances (Vendor)
Due Date Analysis for Open Items
List of Vendor Line Items
Print Subcontracting Challan
Country India Localization Menu
Down Payment Request - Header Data.
List of Vendors Purchasing.
Information System
Create Vendor (Centrally)
Change Vendor (Centrally).
Display Vendor (Centrally)
Vendor Account Changes.
Block / Unblock Vendor.
Flag for Deletion Vendor.
Change Account Group.
Create Vendor.
Change Vendor
Vendor Account Changes.
Block / Unblock Vendor.
Flag for Deletion Vendor.
Planned Vendor.
Planned Vendor A/C. Changes.
Display in future Vendor.
Create Info Record
Change Info Record.
Changes to Purchasing Info Record.
Flag Info Record for Deletion.
Change Document.
Invco. Stck/reqt. Analysis - Selection.
Purchase Register.
Converting SAP Script (OTF) or ABAP List Spool job to PDF.
Display Document.
Pick list
Message Output.
ME6G - Vendor Evaluation in the Background
MMRV - Allow Posting to Previous Period
Purchase Requisition
SPRO - Customizing - Edit Project
IW33 - Display PM Order
QI02 - Change qual.information - purchasing
QI01 - Create quality info. - purchasing
QI03 - Display quality info. - purchasing
MSC3N - Display Batch
MASS - Mass Change
IK03 - Display Measuring Point
MB26 - Picking list
ME9A - Message Output: RFQs
SP02 - Display Spool Requests
ML81N - Service Entry Sheet
ZPDF - Create PDF Files from Spool Request
FB03 - Display Accounting Documents
Purchase Register
Release Purchase Requisition
Stck/Reqt Analysis Selection
Release Purchase Order
Release purchase order