WooCommerce Documentation is an extension for WooCommerce based on the Documentation plugin for WordPress. It allows to link documentation pages to products and display them automatically on the product pages.
A new Documentation section in the Product Data area allows to link to documents and URLs.
A dynamic document search facility makes it easy to locate documents from large documentation pools.
Documentation links can be displayed for products automatically, using a widget, shortcodes and API functions for use in templates.
Please refer to this extension’s Documentation page for details.
Front End demo showing product links on product pages using the included widget : http://woocommerce-documentation.itthinx.org