Yes, you can generate a fully functional admin demo site here: https://foosales.com/foosales-for-woocommerce/24-hour-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.
You can also try a live demo of the latest FooSales web app without signing-up: https://www.foosales.com/demo/
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/