These reports give you the insight you need to know how your actions are performing, which images are most/least popular, consent decisions and more. They also include costs. If you use sender-pay and pay payments will also be included.
If there is a report you wish to see that isn't on the list or you have an idea for improving the report, let us know.
What else would you like to know about the actions? If you use URL tracking tags you could also get reports on those or other dimensions of the data.