Within the Beebs Application - there is an option to control your subscription by clicking "Customer Portal" in the bottom right.
From this link you can manage, cancel or download receipts from past purchases.
If you don't have access to the Beebs Application, please install the extension. Here are some articles to help with that:
Finding the Beebs Icon
If you're still getting stuck, email us at firstname.lastname@example.org