From your main dashboard, click on your company name towards the top right of your screen and then click on 'Settings.'
Click on 'Subscription'. Here, you'll see your Upcoming Billing Date along with your subscription breakdown.
Click 'Billing History' to view all past charges.
If you prefer a download or hard copy, in the 'Receipt' column, click on the green download button from inside the 'Billing History' tab. 😃