I have acrobat XI Pro installed on my client machine via Adobe's cloud rentals. Office docs on SP checkout/edit/save/checkin just fine. Pdfs do not. I get the following error message:
"The document could not be opened for editing. A Microsoft Sharepoint Foundation compatible application could not be found to edit the document"
I believe I have configured the Adobe IFilter correctly because I can search in pdf docs and the icon is showing up as well for library docs and search results.
The strangest part is that earlier, I was able to checkout,open,edit.save (via Acrobat's ability to save to web addresses) and manually checkin and even see my different versions and the changes made were reflected. Suddenly, I can't do that anymore.