You can view your invoices in the 'Payment Information' section of the Account page. To view this page, click on the favicon in the bottom left-hand corder of BuzzStream and select 'Account'.

In the 'Payment Information' section, you'll find your list of invoices.

Can I have my invoices mailed to people other than the account owner?

Yes! In the 'Payment Information' section, click on the 'Edit this mailing list' link to add the list of email addresses you'd like invoices sent to.