Some review sites, like Talabat and Foursquare, do not provide the option to respond to customer reviews. As a result, you will notice that the Reply button is greyed out and unclickable on these platforms.
There are other situations where responding to reviews is not possible, including:
In such instances, it is important to be aware that the options for responding to reviews are limited. These limitations are determined by the policies and functionalities of the respective review platforms.