The theme was tested and supports a plenty of additional plugins. To manage plugins go to the Plugins section. You are able to enable, disable, delete and update plugins there. The theme is able to work properly without any of them though.
The list of the most popular plugins that the theme supports (they are not required, the theme works without them):
Breadcrumb NavXT – adds breadcrumb navigation showing the visitor’s path to their current location.
Checkout Manager for WooCommerce – manages WooCommerce Checkout, an advanced way.
Classic Editor – disables Gutenberg page builder, enables the WordPress classic editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc., supports the older plugins that extend this screen.
Contact Form 7 – contact form plugin.
Elementor [required plugin for a demo landing page] – drag and drop page builder.
Envato Market – WordPress Theme & Plugin management for the Envato Market.
MC4WP: Mailchimp for WordPress – adds various highly effective sign-up methods to your site.
NextGEN Gallery – the most popular gallery plugin for WordPress and one of the most popular plugins of all time with over 30 million downloads.
Smart Slider 3 – all-in-one responsive slider solution.
ElementsKit Lite – The most advanced addons for Elementor with tons of widgets, Header builder, Footer builder, Mega menu builder, layout pack and powerful custom controls.
Essential Addons for Elementor – packed with 40+ stunning free elements including Advanced Data Table, Event Calendar, Filterable Gallery, WooCommerce, and many more.
Unlimited Elements for Elementor – huge Widgets Pack for Elementor Page Builder, with html/css/js widget creator and editor
WooCommerce [required plugin for a store functionality] – an eCommerce toolkit that helps you sell anything.