The Automation report provides performance statistics for individual automation emails.
Go to Automations and click on "VIEW" for active automation, you'll see your automation in the analytics view.
In the first view, you'll see how many contacts triggered, and currently how many subscribers are on each label, like:
contact tagging action,
Also, on top of every email sending action you'll see the open, click, and unsubscribe rates of the specific email as a dynamic short-cut.
This lets you gauge the performance of your automation just by having a quick look.
If you'd like to dig deeper click "See more" on any box.