Downloading Acrobat Pro does not download Acrobat Reader with it; what makes you think that is the case? The fact that the current version of Acrobat Pro is 32-bit has nothing whatsoever to do with the issues you are experiencing. 32-bit and 64-bit applications can and do work side-by-side without any problems. Some things to consider:
Download Adobe Reader for free. Adobe Reader - With Acrobat Reader DC, you can do even more than open and view PDF files. both 32 and 64-bit.The PDQ Package Library is a great resource to silently install Adobe Reader DC (and many other things). Literally all you need to do is select your choice of package (select Adobe Reader DC for the continuous track, or for the classic track (preferable) Adobe Reader DC (Classic) to import and you’re ready to deploy to your computers.