If you want to use the plugin for commercial purposes like creating a platform and earning money using the plugin, you need to buy the SaaS version by purchasing the extended license of the plugin. If you need to use the plugin for only a single client or yourself, you need to buy the regular license.
Demo SaaS Admin
Demo SaaS Tenant
Demo Booknetic
You can also check the Video tutorial.
Click the drop-down button to select the extended license. When you activate the plugin with the extended license, the SaaS version will be available for you.