Yes, you can launch a pre-configured demo POS here:
https://foosales.com/demo/
The admin demo site is pre-configured with a number of products and will help you get a better understanding of how FooSales for WooCommerce can be used to sell WooCommerce products at your physical store, over the phone, or on the go.
Currently, the only way to try the FooSales iPad or Android tablet apps is by signing up for a 7-day free trial which will also give you access to the FooSales web app: https://www.foosales.com/start/