Unable to hide few fields from Contacts screen using personalization in Benefits

Summary: Unable to hide few fields from Contacts screen using personalization in Benefits

Content (required): We have a requirement to hide below fields from Contacts create/update screen in Benefits. We have been trying to personalize through Page Composer but it does not allow us to edit those fields. Kindly help us achieve this requirement.

Fields: TIN Number, TIN Type & Benefits Offered Conditionally