Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Printing is a service of the OS supplied to the programs. If the problem is with multiple programs it most likely isn't the fault of the programs, themselves.
Make sure that both macOS & Office are fully updated that can be confirmed here if your provide the current Version Numbers of both. [That info always should be supplied when asking a Question.] Once the status is confirmed, restart the Mac.
If restarting the Mac fails to resolve the issue please see these Apple articles: