If you want a refund for SuperGrok, first make sure Apple actually charged you...

https://zaneznae304.lucialpiazzale.com/how-do-i-submit-a-supergrok-refund-request-without-sounding-rude

If you want a refund for SuperGrok, first make sure Apple actually charged you by checking your purchase history or iOS Subscriptions. Remember, simply canceling doesn’t give you a refund. To request one, go to reportaproblem.apple