When I go in the backend, I can view and print the invoice for an order, but when a user logs in, he can see his orders, but can not view or print his invoice, how can I fix this?
If you go in the configuration of HikaShop under the tab Display, you will have the option "Allow users to print invoices on the front end" which you can turn on for that. That option is only available in commercial versions of HikaShop.
