Most companies never check. The description these systems give is assembled from sources you may not even know exist.
Use the questions customers actually ask, not your brand name. That is where buying decisions are formed.
Were you mentioned at all, was the description accurate, and who was recommended instead of you.
One test is a snapshot. The same prompts run monthly turn an invisible surface into a measurable trend.
A fixed prompt set across the major assistants, reported as share of answer against your competitors.