FAQ05 – Cannot get rating form to show in the WordPress Comment form

Go to WordPress discussion settings and ensure comments are enabled for new articles.

Check your theme uses the standard WordPress comment system. There are standard filters and action hooks specific to the WordPress comments system that theme developers should use and are required as per the WordPress theme guidelines. You can test theme compatibility by installing the Theme Check WordPress plugin available on the WordPress.org plugin repository. If you see the following line in the Theme Check plugin output when testing a theme then you will be unable to integrate rating forms in the WordPress comment form
REQUIRED: Could not find comment_form. See: comment_form

Depending on your theme, WordPress comments may or may not be supported for all post types or pages. See the register_post_type()