To see your shops on the Presto map, click Home on the nav bar and then click the Map link next to any active batch:

You will see a preview view of the Presto map, centered on your current location and showing only the map pins for this batch.  To view another location, use the search icon in the nav bar:

The preview mode is completely safe!  Feel free to click on any of the map pins - you'll see your survey form exactly as a shopper would see it if they claimed that shop.