In this link
https://www.buddyboss.com/resources/reference/functions/bp_xprofile_get_hidden_fields_for_user/

I think it would control doing what I want. Is this related to your
https://buddydev.com/plugins/bp-xprofile-custom-field-types/#docs ?

I want to show and hide profile fields based on both the id of the displayer by role and the viewer.

In other words, if a company pays for expanded fields to be shown, I would manually update their role.
Then I would like a field set based on that user role to be shown to user roles I specify.

It seems this function controls that but I don’t know how to use it. Can you help?