This report used to live under the People section of the Manager. We have moved it to the reporting section under Ticketing / Registration.
The ticket purchases report will show all ticket purchases by date and allow you to filter those that are paid or not paid.
The report defaults to PAID for "Today". So if you open up this page and see no data, its likely that either you need to adjust the date to: Last 7 days, Last 30 days, or All Time; or, you need to also look for "Not Paid" tickets.
Not paid tickets would be those purchased through the backend manager that were not immediately processed through the Credit Card system. Instead, they would have been added to an invoice that had not yet been processed.