The Slider Revolution plugin is used for the main sliders (in banner section) of the template.

Slider revolution plugin has its own license, the slider-revolution plugin must only be used
within the Project template. It is not permitted to extract and use the slider-revolution
plugin outside of the template.

In order to use the plugin on a stand-alone basis you should buy your own license
from https://codecanyon.net/item/slider-revolution-responsive-jquery-plugin/2580848