Yes the PT-Broadcaster will PTZ and focus your camera, but no it will not work on any camera. See the list of compatible cameras below.
The PT-Broadcaster is a camera head that allows for a fixed camera to be mounted and controlled from a remote location. This allows for fewer operators needed to run a show, as well as using predefined presets to make sure your shots are consistent each and every time. The following video goes over the different models available depending on which camera you have.