There is multiple case where a user wouldn't receive its Circles reward.
Your invitee didn't complete all the required steps before the deadline.
Your invitee didn't use your unique invite link to sign up on Gnosis App. If this happened, you won't see them on your invitee list in the 'Inviter' section.
One or more required steps completed by your invitee didn't meet the requirements described.
Your invitee has completed all the required steps, or the card payment of 10 EUR isn't yet completed.