Here is the main discussion on MFR and a link to MFR Therapists:
-- Myofascial Release Therapy (MFR) for treating compression and pain
https://connect.mayoclinic.org/discussion/myofascial-release-therapy-mfr-for-treating-compression-and-pain/
-- MFR Therapists: https://mfrtherapists.com/

I don't have any experience but think the answer to your question is it can help with nerve compression but not sure if the nerves are actually damaged vs compressed. @jenniferhunter may have some more thoughts or suggestions.