Comment Rating Field Pro Plugin: Manually Display / Output Rating Fields in a Comments Form: https://www.wpzinc.com/documentation/comment-rating-field-pro-plugin/developers-manual-rating-field-output/

comment-rating-field-pro-plugin-display-rating-fields.php

<?php
/**
 * For developers and themes which do not make use of the WordPress comment_form() function,
 * the below code can be added to your theme's comment form.
 *
 * There must be a Field Group configured at Comment Rating Field Pro > Field Groups to display
 * rating fields for the Post Type the visitor is viewing.
 */ 
if ( function_exists( 'display_rating_fields' ) ) {
	echo display_rating_fields();
}