1. Mobile and Desktop: this controls where your ad is placed depending on the Facebook users data, You can opt to show it on mobile devices only or desktop only or Both depending on your marketing needs.
2. Newsfeed: this type of ad displays in the Newsfeed similar to your friends posts, but usually indicates it’s a Sponsored ad.
3. Right Column ads OR Side bar ads: this displays your ad on the right hand side of any page.