Currently, some browsers are working to create their own PDF viewer to use inside the browsers. We have started seeing when using these, the user has issues printing and viewing documents. To correct this, you can go into the settings in the browser and go to the applications tab. From there, you will select Adobe Acrobat as the application to open for the PDF viewer.
See if you have the menu bar at the top of the screen.
Go to Options
Go to Applications.
Make sure the first 3 Adobe tems.
Go to Portable Document Format (PDF)
Change the action from Preview in Firefox to Use Adobe Acrobat (in Firefox)