Older versions of Adobe Acrobat (like Acrobat 2020) may require running Office in Rosetta mode to properly recognize the framework on newer ARM-based Macs.
The path indicates this is a ( .framework ). Older versions of Adobe Acrobat (like Acrobat 2020)
If an Adobe app reports Library not loaded: macpdfm.framework/Versions/A/macpdfm , the framework is either missing or damaged. This can occur after an incomplete Creative Cloud update or manual deletion. Older versions of Adobe Acrobat (like Acrobat 2020)