You can make a copy of all the ads from any ad set from inside the campaign manager of each Top, Middle, or Bottom of funnel.
Duplicate the entire ad set
Hover over any ad set and a 3 dot menu will appear. You can also click the small arrow next to the name of the ad set to see the ads inside the ad set.
2. Click the 3 dots and a menu will appear with the option to duplicate the ad set (unless the ad set is a Dynamic Creative Ad Set, these can not be duplicated).
Duplicate only specific ads within an ad set
Click the small arrow next to the name of the ad set in order to see all the ads inside the ad set.
Hover over the ad you would like to duplicate.
Click the 3 dot menu.
Click "Duplicate" from the drop-down menu.