Content Version numbers are used to differentiate content with identical names, and you can view these in a number of locations.
1. The content 'In Progress' tables:
2. At the top of the screen - once content has been selected for viewing via the content tables:
3. The Campaigns area - once content has been selected for publishing.
4. Version numbers can also be viewed within the various reports available on the platform:
The above image has been taken from the Learning Audit report. For further information on how to access this report, please see article: How Do I View the Results of a Campaign?