@PASQUALINI, Stella
Here is the similar thread "New Error: "Run-time error '53'" ... MacPDFM", you may have a look.
And the answer on this thread is also from JohnKorchok .
You may update Adobe Add-in or remove linkCreation.dotm from ~/Library/Group Containers/UBF8T346G9.Office/User Content.localized/Startup.localized/Word
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