They get a nice looking page, where their logo, their details, social links and the actual pdf menus are displayed.
They are able to create a QR code with additional parameters like table name or area. This printed QR, later can be put on the table so guest can scan it, with their phone camera
Call Waiter and Call bill
There are 2 buttons, call waiter and call bill, so the waiters get a visual and sound notification when a guest wants to get a bill, or order. On the notification they can see the table from where the call was made.