I haven't been able to find the answer yet. I want to create a List/Record Field on my Customer records to show a list of 'Approved Buyers' for that company. Is there a way to make the list specific to that customer? I've only been able to find where you have a predetermined list of people that will appear on all records. I'm then going to have that record pull up on my Sales orders to show my CSR team if the person is eligible to purchase on the customer account.

You'd need to have a customer on the Approved Buyer as well and setup the List/Record field to filter based on the customer. The field should then only show Approved Buyers that have the same customer as what is selected.