Connecting Your Facebook Page
The next step of the App configuration is the Creation and Configuration of the Commerce Manager Account. To sell on Facebook Marketplace with the onsite checkout feature, you need to have the Commerce Manager account.
Commerce Manager is a set of tools that help you sell products and manage your business across Facebook and Instagram. Through the Commerce Manager, you can use the Checkout option, which lets the buyers purchase the products without having to leave Facebook.
To create and configure the Commerce Manager, you need to connect your Facebook Page to the App on which you have to configure the Commerce Manager. There could be three conditions: