Please check this helpful Theme Installation guide article:
to know more about theme bundle plugins and plugins add-ons please check theme documentation.
Almost all themes has a recommendation for active some plugins. So, you have to activate the recommend plugins to get full features. you can ignore activate some plugins if you don’t need those plugins features. Some plugins are required for the theme functionality and you must have to activate those.
For getting support for any technical issues the best is to contact your purchased item Author.