A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
To see if your Acrobat add-in is installed, on the menu bar choose Tools > PowerPoint Add-ins. If you have the tool installed, it will display as SaveAsAdoebPDF in the dialog as shown here:
If it is not showing, click the + sign in the lower left corner of the Add-ins dialog and see if the file is in the Add-Ins folder. The Add-Ins folder is in a hidden location. In Finder, use the Menu Bar and choose GO > Go to Folder. Paste this directory into the dialog and it will take you to the folder where the add-in would be if it is installed.
~/Library/Group Containers/UBF8T346G9.Office/User Content/Startup/PowerPoint/
If it's not there, then reinstall Adobe Acrobat.