Ask Me is the questions and answers WordPress theme, it’s come with more features. Ask Me has profile pages for the user, question pages, and answers pages.
Demo: https://themeforest.net/item/ask-me-responsive-questions-answers-wordpress/7935874
WooCommerce FAQ plugin enables you to display store FAQs on separate page as well as product related FAQs exactly on product pages. Your customers can also use a smart "ask a question" form to ask send new questions.
Demo: https://codecanyon.net/item/woocommerce-product-faqs-plugin-ask-a-question/20451491