What's the adjective for comment? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs comment and commentate which may be used as adjectives within certain contexts.
“Even though he openly based his work on everyday advertising and 'commercial art' his use of it was usually commentative.”
“Harvey's poster at his desk is at eye-level when he sits at his laptop to whack out his rigorously researched, deeply commentative pieces.”
“She was undoubtedly largely responsible for the early widening of Dewey's philosophic interests from the commentative and classical to the field of contemporary life.”