Export from Word to PDF problem on Mac

I'm having new problems converting a Word doc to PDF. The Word doc is 50 pages has page breaks, images, tables, etc.

Here is what happens:

• Save as PDF > Best for printing: PDF does not display images corretly--images display as narrow color bands
• Save as PDF > Best for electronice distribution and accessiblity (using Microsoft online service): PDF displays images correctly
• Print > PDF > Open in Preview: Creates multiple PDF files

My programs:

• Microsoft Word Office 16.48
• Mac OS Big Sur 11.2.3
• Adobe Pro DC 2021.001.20149

Thanks for any solutions!