Nintex Hawkeye gives you insight to the use of Nintex Workflow through the use of "lenses."
You can use the Usage Lens to get key consumption metrics and find out what the return is on your Nintex investment. Find out who's using workflows and how much.
Nintex Technical Evangelist Daniel Stoll walks you through setting up a Usage Lense in this video:
The Process Lense lets you know the effectiveness of an individual process you've automated. Here again, Dan shows you briefly how it works:
Get a Nintex Hawkeye Analytics Overview here!