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

https://www.phone-bookmarks.win/if-you-want-a-refund-for-supergrok-first-double-check-who-charged

If you want a refund for SuperGrok, first make sure Apple actually billed you by checking your purchase history. Look at your iOS Subscriptions to confirm. Remember, canceling the subscription doesn’t automatically give a refund