As the event organizer, you may want to check the order details and view the invoices or receipts from EventNook system even though invoices and receipts had been sent to the buyer in their registration email.
Please take a look at the following steps.
From the main page, go to Manage My Events → Manage → View Orders
Find the order you want to view details ━ you can do so by searching their emails or names on top of the page ━ and clicking on View. Here you will see:
Details of the Order Information - registrant's information details
Order Summary - the ticket type, quantity, and price
Primary Contact - registered buyer information/ primary contact information
You can also see the View Receipt and View Ticket by clicking the Action button.