Do I need to pay anything to Adobe if I inject java script using some open source library?

Hello,
I want to restrict PDF reader to achieve Digital Rights Management (DRM).
Do I need to pay anything to Adobe if I inject java script to achieve so using some open source library?
Basically I want my PDF documents to be restricted such that I can: 
Limit printing
Prevent screenshots
Restrict access by license expiry date
Restrict distribution of downloaded PDF (i.e. the document should run on specific machine only)
Restrict copy and paste within PDF document
I came across below links from which I suspect Adobe expects one to pay if he/she attempts to restrict reader functionality in some way?
http://www.adobe.com/devnet/reader/topic_drm.html
http://www.adobe.com/devnet/acrobat/overview.html
Am I correct in my assumption?

I think it is a vain hope to imagine you could implement DRM via JavaScript. Remember it can be turned off.
Printing is either enabled or disabled according to document security.
Working with PDFs does not require permission from Adobe but
* adding functionality to Adobe Reader definitely does; a DRM development license is a major investment.
* if the file is Reader-enabled, all third party tools will disable that.

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