Wants Invoice in BO and order confirmation in FO at the same time in PDF, possibly?

[Zigma]

Is there a solution if I wants the invoice to only be seen in the back office BUT with and a order confirmation in pdf with almost the same info as the invoice in the front office?

Im thinking to only let the customers look at its own orders confirmation in history in my account. And the invoice only watchable by the shop staff.
The order confirmation is much like the invoice but with changes like no expiredate on when to pay the bill etc.