Adobe Acrobat Pro DC 2017.009.20044 is a patched version of the software, which implies that it has been modified to bypass certain restrictions or limitations imposed by Adobe. This patched version is often sought after by users who require advanced features or want to avoid the subscription-based model offered by Adobe.
Which of these would you prefer?
Added official support for Windows Server 2016 . Critical Bug Fixes: adobe acrobat pro dc 201700920044 final pat link