I don’t think a paper sheet can store enough information because of the paper grain. You can actually store a lot of data in a qrcode printed on paper, but not

I don’t think a paper sheet can store enough information because of the paper grain. You can actually store a lot of data in a qrcode printed on paper, but not many digitalised documents. I think he should simply print his documents and give them in a folder. That is not much different than what he wants and people will actually manage to read the documents.