Hello po. Sa may mga online business / VA, na nag travel to Europe, Ano pong documents hinanap sainyo sa immigration?

Hinanapan po ba kayo ng Itr, invoice, Proof of payment from clients? Or kung same amount ung income na pumapasok sa bank mo ? I honestly don’t want to show any Invoice or, for my clients privacy)

I am holding a Digital nomad visa (online business) Will be my first travel outside the ph / 25 F.