Acrobat Reader DC splatters stuff around the operating system, and does not just install within /Applications. Places to look and remove (you may not have every file or folder below, and some will require administrator privileges to remove):
Acrobat Reader DC splatters stuff around the operating system, and does not just install within /Applications. Places to look and remove (you may not have every file or folder below, and some will require administrator privileges to remove):