You can find timestamps and information on who created content as well as who last updated it on all dashboards, reports, workspaces, KPI Lists etc.
Access this information in two ways:
From the index page
From the content view
From the index page
Go to the index page for any content, let's take the example of Dashboards
Open the menu that appears on hover over on the right side of the dashboard
Hover over 'Info' to see the details of the dashboard
From the content view
While viewing a dashboard or report, you can access this information by clicking on the menu on the top right corner and hovering over 'Info'