I don't anyone but Adobe employees might know about the future direction of Acrobat. Most are probably under NDA and couldn't answer if they know. Only an Adobe Acrobat project manager might be in a position to make a definitive statement.
Where you have heard this rumor from?
Watch "Shared Review with Acrobat and Acrobat.com." http://www.acrobatusers.com/events/2120/shared-review-acrobat-and-acrobatcom.
If true, then it will be a disaster for my customer, which is a DOE national laboratory. We developed a very robust ASP.NET browser-based review solution for this lab that relies on the SOAP object for annotation uploads and downloads. Since 2006, 178 reviewers have entered 86,663 comments on 8112 documents, and just today 13 reviewers entered 380 comments on 155 documents. (The figures are accurate and exact because they're from a query I just ran against our SQL database, where we store the reviewer comments.)
If it's true that Adobe will discontinue support, then it's a terrible and very short-sighted decision by Adobe and gives some indication or their level-of-concern for, and loyalty to, third-party Adobe developers.
Of course, I shouldn't complain: it will mean more work and improved job security for me and my colleagues because now we'll have to come up with an entirely new solution based on "shared reviews." Or perhaps we'll find or develop a solution that doesn't rely on Adobe at all.
Thanks Adobe, thanks a lot.
"Deprecated" and "not supported" doesn't mean it will not work anymore, just
that it's not the recommended method of doing it, as I understand it.