Rakesh Raja

This plugin hide content in posts and pages and display only when a user leaves comment. If page/post dont have a comment from user or its got deleated by admin, content will be not displayed.
This plugin uses cookie for that so this plugin will work when user allow website to set cookie.
Restrict it provides you a shortcode [wpgrestrict][/wpgrestrict], wrap your content with this shortcode and you are done.
In next version, I am going to to add restrict content by logged in user. Please let me know if you need any other way to restrict content.
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Restrict It

Restrict content in posts and pages with this plugin and display only when a user leaves comment.

Nabil Lemsieh

The “Conditional Add to Cart” plugin allows you to control the visibility and behavior, as well as customize the appearance and content of the “Add to cart” button in WooCommerce based on a set of conditions. This gives you greater control and flexibility over how the button behaves and appears in your WooCommerce store.
You can trigger actions such as disabling or enabling the button, or changing its text and appearance. You can even replace the button entirely with your own custom HTML or shortcode.
NOTE: More conditions and actions will be added in future updates, so if you have any feedback or feature requests, please feel free to share them on <a href="https://wordpress.org/support/plugin/conditional-add-to-cart" rel="ugc">our forum</a>

Conditional Add To Cart for WooCommerce

Conditionally control the visibility and behavior, as well as customize the appearance and content of your "Add to cart" button in WooCommerce.

Restrict It vs Conditional Add To Cart for WooCommerce