The Overview page shows the location of each venue on the map. This as default groups venues within an area so you don't see many markers on the map.

Hover over the map to see the count by platform in that area.

If you do wish to see each individual location click on the tick box on the map to see the data ungrouped. Ungrouped data shown below.

This can be useful when you wish to identify the exact locations which have high delivery time or aren't open when they should be.

Click on the points on the graph to see more detail on the venue.