This will add a 'nofollow' meta tag to your page which prevents search engine spiders from following links on this page.
Login to the CMS.
In the tree menu, go to any page or blog post.
Go to the 'SEO & Share' tab.
Find the label 'Stop internal links being followed' and turn the switch on.
This functionality is not available out of the box with our 1.x themes. Please reach out if you have any questions.