Log in as a vendor to connect to your Facebook account.
Store Manager > Facebook for Marketplace > Connect > Get Started
Then follow the screen instructions & after completion, you will be redirected to your site.
After connection to Facebook is completed, go to the “Product Sync” tab
If you have connected to Facebook successfully, there will be a “Sync Products” button visible
Click on the “Sync Products” button & the vendor store products will be automatically uploaded to Facebook.
Change “Product Sync” settings like “Exclude categories”, “Exclude Tags” according to your need.
Easy five steps and you are done with the integration. Your WooCommerce products are now on your Facebook.
You have reached to more people now. People can get to know you while having leisure time on Facebook.