Step 12: Assign Role to Web Service User
In Intacct, go to Company → Admin tab → Web Service Users.

Go to Web Service Users
Then, select Edit on the Web Service User you would like to edit.
Under the Roles Information tab, add the following roles:
- ::SYS::Enterprise-ROLE-FOR – Module: Vantage Connect
Then, select Save and enter your account password.

Web Services User Infomration - Roles information tab