Manage Robots globally
Go to SEO, Titles & Metas.
Browse all the tabs, and set your meta robots desired (eg: noindex, nofollow…).
If you don’t set a meta robots, the default will be index, follow.
In Advanced tab, you configure settings for your entire site.
Manage Robots individually
Edit a post, a page, or a custom post type.
In SEO metabox, in Advanced tab, set your meta robots (eg: noindex, nofollow).
Save the post.