This feature consists of having an end user customer facing portal where end users will be able to:
1) See their invoices (open, paid, due, or pending). Including the option to download the invoice. Searchable by dates.
2) See their quotes, or proposals and approve them or download them. Searchable by dates.
3) See their payments and their status. Searchable by dates.
4) See their billing notifications, and turn them on / off
5) Manage authorized users to get into this portal, or to receive a copy of the email notifications
6) Standart profile features, like: forgot password, change password, change contact info (name, phone, email)