Here is a step-by-step guide on how to add MioCommerce's user to a FB page.
From website:
Log into your Facebook account
Click the Facebook logo in the top left corner of the page
Click Pages from the left navigation menu & select your business’ page
When the new page loads, click Settings on the left navigation menu, then Page Roles
In the Assign a New Page Role box, type in “Listings Reviews” then select the option that appears and change the role from Editor to Admin, then select Add. Note: you must select Admin for our listings service to work.
Enter your password & hit Submit.
From the mobile app:
Open the mobile app and select the Menu button on the bottom right of the home page
Select Pages, then the page associated with your business
In the top right corner of the page, select the Gear icon, then select Page Roles
Click Add Person to Page, then insert your password if prompted to
Type Listings Reviews into the search box and select the option that appears
Set the role to Admin. Note: you must select Admin for our listings service to work.
Select Add.