Users can filter content by 'categories' in the Desktop and Tablet views, but the option is not available in the Mobile view as OOTB (out of the box) behavior:
This article shares information about this behavior.
Jive On-Premise 9.0.1
This is the expected behavior. An enhancement request was raised but is not planned to be implemented at the moment. The enhancement request id is JIVESPECS-1100.