If Acrobat Reader is the default PDF owner on your computer, you're prompted to install the extension when you launch Acrobat Reader. The extension is not installed automatically with Acrobat Reader.
It would only help opening the PDF in Reader. It is available on Windows, macOS, Linus, Android, iOS, Windows Phone, etc. As 'TestScreenName' said, chrome extension wouldn't do much for you. It offers a Chrome extension that lets you substitute the built-in Google Chrome PDF viewer. Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program. Adobe Acrobat Reader, developed by Adobe Inc., is a suit of application software and web services that allows you to view, create, print, and manage PDF files. However most, if not all directly associated file extensions should be listed with its appropriate program.
The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. My issue is that in addition to the bad behavior described in this post and by other commentators, I can tell you that installing Adobe XD, a product for creating realistic web and mobile mockups, changed my Acrobat Reader install. Note: You can click on any file extension link from the list below, to view its detailed information. Comments on: Warning: latest Adobe Acrobat Reader DC installs Chrome extension Im personally fed up with Adobe. Adobe Acrobat Reader works with the following file extensions: