The attached screenshot shows how the PDF is looking in Mail, and how it should look, in Preview. This seems to primarily affect backgrounds, as is apparent in this example. PDF Version 1.4. iOS 12.4 3.4 GHz Quad-Core Intel Core i5, 40 GB RAM.
iMac, OS X 10.11
SeanNWT wrote:
The attached screenshot shows how the PDF is looking in Mail, and how it should look, in Preview. This seems to primarily affect backgrounds, as is apparent in this example. PDF Version 1.4. iOS 12.4 3.4 GHz Quad-Core Intel Core i5, 40 GB RAM.
https://discussions.apple.com/content/attachment/64c3d525-a3ea-456b-a271-8f758f28e713\
iMac, OS X 10.11
You can file a bug report/submit your Apple Feedback here: Product Feedback - Apple
The current stable release of Monterey including bug fixes, is macOS 12.4
Keep your Mac up to date - Apple Support
Keep your Mac up to date - Apple Support
Mail does not show PDF correctly
