DYNAMIC ADVERTISING

Dynamic Ads on Facebook is a smart advertising tool that allows automatically displaying products suitable for each customer. Let me explain in detail:
Main characteristics:
Automation:
Automatically update product catalogs
Adjust prices and stock status automatically
Automatically target customers based on behavior
How it works:
Connect your product catalog to Facebook
Facebook tracks user activities on the website/app
Show products relevant to their behavior
Popular applications:
Retargeting customers who have viewed the product
Cross-selling related products
Up-selling higher-end products
Main benefits:
Save management time
Increase conversion rate
Personalize ads for each user

You can search on Google or YouTube, You will get a lot of information about it, It's difficult to explain here.