[Darryl Ramm]

Are you trying to record MIDI to a MIDI track?... if so you won't hear anything.

If you want to record MIDI and hear something you normally work with an instrument track. With a VI inserted on that track. Many people doing VI work never wort with an actual MIDI track.

If you are also recording audio (to an audio track) you need to record arm the track and select the correct input. And on recent macOS you have to enable pro Tools to have "microphone" access. Have you separately got recording audio to an audio track working? These are completely separate things, work them out separately. Work in a trivial test session if that makes things easier to follow.

We have no clue here how much experience you have working with Pro Tools. If you are new to this you should try finding a tutorial on working with virtual instruments in Pro Tools on YouTube or similar and follow that to start with.