Yes, Softaculous provides working demos for almost all of the applications they provide. In order to check a demo follow these:
1. Log into your cPanel;
2. Choose the Softaculous under Software/Services;
3. From the left menu select the desired script;
4. On the top, you will see various tabs, one of them is Demo.
Selecting this tab will automatically redirect you to a working demo version of the script.