What's the difference between Later and Reject?
Later saves the action in Review history. You can restore it to review. The decision may carry into a later run when the action still matches, so a rerun does not necessarily reset it. Use Monitoring to see checks collecting fresh data.
Reject records a durable decision about this recommendation. Matching actions can carry that decision into a later review. A different action or newly qualifying evidence may return with the earlier rejection attached for context. Your rejection protection settings control its scope and expiry.
Rejecting a bid cut does not automatically reject a future negative. Neither button asks AI to create a standing rule.