The inspector window gives you a complete summary picture of each of your articles. If a Livfe review is available, or if you wrote one yourself, it will also show up in Reviews in the inspector window.
You can add your own review from the Info page in the inspector:
Your review captures your thoughts on the paper in 140 characters or less. Add stars to show how relevant or useful this paper is to your work.
Read more about Livfe Reviews here.