In QLik Sense Server, you have the Montioring Apps, in special the Operations Monitor, that shows you the informaton you want.
See the link from Qlik Help to understand which information is available:
For your specific needs there is the following:
Task Overview Provides a statistical overview of the success, duration, and failure of reload tasks. Task Planning Provides details about reload count, reload CPU spent, and task dependencies. Task Details Provides details about the success and failure of individual app reloads, including execution details about duration and start and end times.