How to give access to approvers to enable them to view only offers they are added as adhoc approver

Summary: How to provide access to ad hoc Approvers to see only the the offer they are supposed to approve but not part of the hiring team of the same offer.

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We want ad hoc Approvers to see only the the Job Offer details on the offer approval notification they are supposed to approve but not part of the hiring team of that same offer. We do not want these approvers to be able see Job offer tile as well from My Team > Hiring > Job Offers, because to cater the first requirement meaning to make them able to see the details of the offer on the approval notification they are only supposed to approve we added 'View Job Offer' privilege in our custom role but this role brings the