By default, in public repositories, any user can submit reviews that approve or request changes to a pull request. Organization owners and repository admins can limit who is able to give approving pull request reviews or request changes. For more information, see [AUTOTITLE](/organizations/managing-organization-settings/managing-pull-request-reviews-in-your-organization) and [AUTOTITLE](/repositories/managing-your-repositorys-settings-and-features/managing-repository-settings/managing-pull-request-reviews-in-your-repository).