Hope you are doing well and sorry for the trouble. As described you are not able to view the PDF correctly.
Is the PDF file stored on a shared network/drive? If yes, please download the PDF to your computer locally and then try to open it with Acrobat Reader/DC and check.
Also make sure that you have the latest version of Adobe Acrobat Reader DC. Go to Help > Check for updates. Also do check for any missing/pending update for printer driver and firmware and try updating it and reboot the computer once and check.