There are three roles for a supplier user account: Admin, Maker and Checker.
Admin: Your account is automatically set as the "Admin" role which is in charge of user management. You can add new users with different roles if there are any or edit user roles in "Account Setting".
Maker: Only the user with "Maker" role can submit the invoices and financing application.
Checker: It is for the leadership or executive team to approve the financing application request submitted by Maker.