Lead Gen & CRM Ads has the ability to serve your Facebook ads through the Facebook Marketplace Network within your Facebook campaigns.
Facebook Marketplace ads will help extend your reach beyond standard Facebook ads. Using Marketplace, your ads will reach your audiences when they browse products in Facebook's Marketplace. This gives your campaigns a great way to keep your ads in front of your site visitors even when they're not browsing Facebook directly. For more information on Marketplace ads, visit Facebook.
To use Marketplace ads in your campaigns, launch a Facebook campaign or edit an existing campaign. From your Dashboard, click Launch New Campaign > Facebook Campaign.
Click the Placement tab and select 'Edit Placements' to use custom Ad Placements.
Select "Marketplace" to enable your ads in Facebook Marketplace. This is set to on by default.
Finish creating your campaign as you normally would, and that's it! Your ads will serve through Marketplace automatically.