To change the character limit of privacy overview text - CookieYes | GDPR Cookie Consent Premium (https://www.webtoffee.com/product/gdpr-cookie-consent/)

functions.php

<?php //do not copy this line

function wt_cli_privacy_length( $length ){
   // This is the no.of characters value
   // modify this as per the need
   return 400;
}
add_filter('wt_cli_privacy_overview_length','wt_cli_privacy_length');