An excellent way to begin expanding your chord knowledge (beyond open chords and bar-chords) is the study of four-string seventh chords and inversions.
The most essential forms for beginning or intermediate jazz guitarists are Drop 2 & Drop 3 shapes on the following string sets:
It’s crucial to put these into a musical context as soon as possible.
Try playing through some jazz standards using these shapes.
Be careful to keep common tones and move to the closest voicings as you navigate chord progressions.