Don't see it : Integration Services Catalog, and open the [All Executions] report
Right click on the SSIS Catalogue, highlight Reports, and select All Executions.

The Simple Talk article, SSIS 2012 Projects: Deployment Configurations and Monitoring by Feodor Georgiev, includes the following illustration:


  


If you are not observing the Reports submenu, try running Setup again and choose Management Tools – Complete. Try executing SSMS as Administrator.