To start navigate to "Make Money" section. Here you'll see the numbers of consumers, transactions and subscriptions on the right side.
Click on “Consumers” to see a list of consumers that have purchased or rented your content. Use the column headers along the top of the page to filter for "transactions."
You can then easily select a consumer to edit their and see their unique activity:
Click “Transactions” to see a list of all your transactions, regardless of monetization type.