If there are multiple playlists, you can set them to group. When this is enabled they appear as portrait tiles on the dashboard:
To find the settings, go to Admin > Settings > Services > UI/UX.
Enable grouping of Playlist streams: Tick this to activate the tile view shown above.
Group Playlist streams when number is greater than: Use this to specify how many playlists must be on a learner's dashboard for them to begin displaying as tiles.