Why an ex-employee cannot be seen when a custom security profile is used?

Why an ex-employee cannot be seen when a custom security profile is used?

This article from  Mohammad Fawzy

The article direct link  What Fields in Tables Ap_Invoices_Interface and Ap_Invoice_Lines_Interface Should Be Populated to Import Invoices Matched to Purchasing Order (PO)?

Summary

Goal: What fields in tables ap_invoices_interface and ap_invoice_lines_interface should be populated to import invoices matched to Purchasing order?
Fact: APXIIMPT – Payables Open Interface Import
Fact: Oracle Payables 11.5
Fact: Oracle Payables 11
Fact: Oracle Payables 10.7