A fashion brand needs to create an ad with a Lookalike Audience to generate online sales.

What should this brand do?

A business recently started delivering a new campaign that contains multiple ad sets. The total budget is spirt equally between all the ad sets. The business notices that only one ad set is able to achieve sufficient reach while the others are neither consuming its entire budget nor achieving sufficient reach

What could be causing this?

A business recently delivered an ad campaign with the Brand Awareness objective on the Facebook App

Which metric within Ads Manager will help the business determine the success of the campaign?