Step-1: Go to your Facebook Business Suite Settings.
Step-2: Select the account of the Facebook Page you want to access.
Step-3: From the left menu, click on Pages under the Accounts tab.
Step-4: Verify that Your name ( or the name of the person you want to give access to ) is listed here and have this role Manage Page checked.
Step-5: From the left menu, click on People under the Users tab
Step-6: Verify that Your name ( or the name of the person you want to give access to ) is listed here and have this role Manage Page checked.
Please make sure that the user who initiates the connection from Story Chief to facebook has the Manage Page option toggled on, otherwise, the connection wont work.