this artikel explain how to customer got invoice billing from dealpos, after you finish, try app dealpos and you feel corresponding app you want
You can join dealpos with send your request invitation at email : "firstname.lastname@example.org"
1. After you send request invitation, you got invitation email from dealpos and you must accept invite
2. Please fill your update password, Password and Retype Password must be same
3. Configuration, now you member Dealpos and you can check billing
4. See in the home menu for "Outstanding Invoice" and click in the Invoice Menu for see your invoice billing