Hi Neha,
Hope you are doing well and thank you for waiting for my reply here.
Regarding this issue, If the troubleshooting steps provided can not help you resolve your problem, I highly suggest you can contact Microsoft Rewards customer support since this is something we won’t be able to explore or have access logs or extra information.
Please kindly understand that I am an independent Advisor and in this case I would definitely reach out and wait for a reply on the provider side for your rewards.
Tell me how can I help you further here and it will be a pleasure for me to assist you.
Best regards,