Yes, you can download all the uploads made by your guests to your own device.
You can either download them one by one by clicking on the photo/video and then on the “Download” button. Alternatively, you can download all uploads at once as a zipped folder. To do this, go to the “Photos & Videos” page using the side menu and click on the “Download All” button at the top of the screen. Please note that this feature is available only with the Plus or Pro plans.