https://themeforest.net/item/tessera-knowledge-base-support-forum-wordpress-theme/23527937

Tessera is a modern knowledge base, support forum, help desk WordPress theme. Knowledge Base & FAQ: Create a self-serve online library of information about your products, services etc. with ease, to help your site visitors to find the answers they often have without putting any strain on your support staff. A well designed knowledge base is the most effective way to keep your customers happy. Support Forum: Tessera is fully compatible with the most popular WordPress forum plugin, bbPress. This means you can create your own fully functional forum in minutes. Having a support forum allows you to address the most common queries in your business all in one thread or conversation. So instead of customers sending your support team the same query, they can simply search for the issue and find the solution based on your previous responses helping you to save precious time in the process. Theme Compatible With Elementor Page Builder Plugin