Hi @SBX
Created an approver column (user lookup) with column security enabled. (Correct)
Field security profile created with the settings you highlighted. Do I add the approvers under users? If you must place them as users
Do I need to create a security profile for the approvers and then assign those security roles in the environment?
You need to create the security profile, it has nothing to do with the roles and within the profile add the permission they will have on that field, if they can read, update and create.
I tried the above and the approvers cannot see the records where they were selected as approvers.
One thing is the field security profile so that that field is only seen by the approvers and another thing is being able to see the record, so that they can see the record they must have a security role with permissions on that minimum reading table and at the level of organization