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

https://extra-wiki.win/index.php/What_Does_It_Mean_if_SuperGrok_Shows_Under_Subscriptions_but_No_Options_Appear%3F

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