When you get this error when trying to save Word Doc as PDF, you will need to use Save As from the drop-down option before you click Save. Make sure that you choose the PDF option in the "Save As" window.
How do I save a Word doc as a PDF?
In Word, click the "File" tab and click "Save As". Select "PDF" from the Save as drop-down list.
How do I enable Save as PDF in Word 365?
In the top right-hand corner, select Documents and select where the file should be saved. Enter the file name if necessary. In the drop-down box, select PDF. Then Save.
Why can't I save a PDF File on my computer?
Ideally, if you can't save a PDF document, then you need to check the display settings of the Adobe Acrobat Reader. To do that, you can just launch the application and go to its Menu > Edit > Preferences to get a new pop-up window.