What documents do i need to verify to improve my CSA Score

[Rose Juliet]

Please kindly help provide answers to the following:
I am a medical doctor from Nigeria.
1.Please can I verify my university certificate,transcript ,full regisration or just one of them.
2. Also i have two master degreess in public health. Are master degrees in public health verified by WES or Physician's Apply

Thank you and awitimg a response.