Open the App Launcher and then search for the AdManager Kanban. This will open the search form which looks similar to this. Details might differ because your administrator can have set it up slightly different. How to do this you find here: 8.4.3 Configure the AdManager Kanban / Console.
The search fields we use for date filters do not search for a specific date but for a range instead. (Lightning Design Only)
Step 1. Pick whether you like to display Media Campaigns or Campaign Items by selecting the relevant object.
Step 2. Enter a specific media campaign or limit your search results in any other way you like and hit the search button.
The result will show the pipeline of media campaigns or campaign items in the process status view that your company is using.