Setting up a Candidate Portal as standalone pages places the portal as a sub-section of your company website. You need edit access to your website or get your web manager to do it for you. Depending on the way your site's navigation works, you need to add a link, button, tab, or menu option to link to the Candidate Portal.
Attach a stylesheet to the portal to make it match your website. Add the link to the stylesheet in Sage People Recruit configure. You can also set a header to match your main company website. You can also construct a menu or tabs to enable navigation to the rest of the site. The Candidate Portal can then be displayed as an integral part of your company website.