Axis-Y brands are not reseller friendly if you are sourcing them from any Korean supplier.
You have to contact the brand (Axis-Y) and ask the exact reason why they file a complaint against you. Show them the Asian beauty invoices to get some solution.
This is why I keep telling everyone do not hire before learning the business, so you can supervise and guide the VA. It looks like you hired a VA and let him do whatever he wanted, and now you’re paying the price.