You can find and change your billing info under the Billing tab under settings. Here you can modify invoice information such as company name and address, your payment information, and change or add new email addresses to send invoices to. Click Edit link under any outdated information and change values in fields.
Your past invoices can be found under the Billing tab, bottom of the screen. Here you can view all your past invoices and download their PDF copy. The icon visible near the invoice value indicates the status of an invoice.
❗️Please note, that this section can only be accessed by the account owner or billing manager. You can read more about user permissions here.