To be able to see all the generated Receipts in your Simplero account navigate to the Sales >> Receipts page.
At the top you’ll find a summary of your Revenue, Taxes, Affiliate Commissions summary and a detailed table with all the receipts that have been processed through your Simplero Account:
On the top right corner you’ll also find Transactions, Tax Reports and Stripe payouts.
If you are looking to edit your Receipts Settings check out this guide.