How to restore files from Adobe Reader for iOS (iPad)?

Question

I started using Adobe Reader for iOS to annote and comment pdf files. I used the Adobe Reader for Mac OS to upload the files to the Acrobat.com cloud.
Opening the files on iPad worked pretty straight forward and I started editing the pdf right away. When opening the pdf again a couple of days later on iPad, the app downloaded the pdf again in an older version with a couple of annotations present, but a couple of the more recent missing. This is a very disturbing behaviour since I cannot understand why it would sync an older version of the pdf from the cloud over the newer one. Luckily, this was no very important edit, but I will be very hesitant to use this feature in the future if there is a likelyhood for this happening again. Is there any possibility to recover the file with the original edits from the iPad?
The second thing that I don't understand is the mismatch of files shown in the adobe creative cloud and on acrobat.com when using the acrobat reader. 2 of the files I uploaded can be seen in both the adobe creative cloud and in the 'acrobat.com' cloud (is that a different thing?) as can be accessed from adobe reader on Mac OS. However, there are also files that can be accessed exclusively from the adobe creative cloud and files that can be accessed exclusively from the 'acrobat.com' cloud. I don't really understand the difference and how to sync the two.
Help is highly appreciated. Thanks!

Answer 1

AnAppleADay,
I personally agree that having two separate Adobe cloud storage services (Acrobat.com and Creative Cloud) is confusing and undesirable.  However, I am not able to speculate on Adobe products or services in future releases.
There is no direct way to download files on Acrobat.com to your iPad/iPhone.  However, you can download files from Acrobat.com via the web browser interface (https://cloud.acrobat.com/files) on your Windows or Mac desktop/laptop computer.
Then you can (a) email them to yourself and open them in Adobe Reader on your iPad, which results in storing the files locally on your iPad, or (b) use the desktop version of iTunes to transfer the files from your computer to your iPad.  (It's convoluted.  But I am not aware of any other options.)  However, if you uninstall Adobe Reader for iOS, the operating system will erase all of associated application data including locally stored PDF documents.
I suspect that your problem is related to changes not being saved to Acrobat.com properly (not about syncing to an older version).  When you make a lot of changes to a PDF document (e.g adding annotations or filling out forms), I'd recommend closing the modified PDF document occasionally, which forces Adobe Reader to save the changes to Acrobat.com.  You will have less chance of losing changes due to unexpected problems or defects in Adobe Reader.
Please let us know if you know the steps to reproduce the problem (of losing changes) with a particular file on Acrobat.com.  We can investigate the problem.
Thank you.