I am a graduate of the Amazon Seller Virtual Assistant course by Amazonation where I was taught every skill an Amazon Virtual Assistant must possess: Product Research, Keyword Research, Supplier Sourcing, Basic Amazon PPC, Inventory Management, Customer Service.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.