Would anyone know if I can retrieve a ticket that has been voided, please?

[Deli-cious]

Hi. Would anyone know if I can retrieve a ticket that has been voided please? I have an employee who I know voided a ticket but is denying it as the table walked off without paying. I have the receipt from the people who took the table later then paid but no evidence the food/drink from the people who walked was removed. Thank you.

[Georg]

Hello

Did your employee send an order to the kitchen when create this ticket? If so, you can check if the items in the kitchen order were paid or not. 
Unfortunately, it is not possible to retrieve voided ticket in the POS App.
But, if it was saved as an open ticket, you can restrict employee's access to edit/delete saved open tickets:

How to Manage Access Rights of Employees
https://help.loyverse.com/help/how-manage-access-rights-employees