The ability to have multiple versions/creatives for each campaign is very helpful, as well as being able to see how they are performing across different platforms like Facebook or Instagram Ads Manager (which I don't use). It's difficult at times when there isn't enough data available to make sense out of some numbers that show up. We're using it primarily to help us with our TV campaigns where we can set goals per day so that we know what percentage increase from one week compared to another will be good news going into next month.