- What is the workflow/steps you are doing to save the file as .pdf and in which generic format does the file gets saved?
- Would you mind sharing a video recording of the issue for a better understanding?
Please try to repair the installation of Adobe Acrobat/Reader DC and reboot the computer once. Go to Help > Repair Installation and see if that works. Also, make sure you have the latest version installed. Go to Help > Check for Updates.