This plugin allows any user having at least one of the following capabilities to edit robots.txt: – edit_files (standard WP capability) – manage_options (standard WP capability) – unfiltered_upload (standard WP capability) – upload_files (standard WP capability) – wpseo_manage_options (Yoast SEO capability) – aioseo_general_settings (All In One SEO capability) – aioseo_tools_settings (All In One SEO capability) – aioseo_feature_manager_settings (All In One SEO capability) – aioseo_local_seo_settings (All In One SEO capability) The “Robots.txt” option is added under “Settings” menu.