You can find a preview link for each site by opening the site editor, clicking the info icon and selecting “Preview Link.”
Alternatively, you can view all sites and their preview links. In your Dashboard, click “Manage CMS Users.”
Then select “CMS User Dashboard.”
This will bring you your sites dashboard, which gives you options for each site: edit, preview, and stats. Locate the relevant site and click on the hamburger menu; select “Share.”
This will bring up the option to email the site and you can enter your client(s) email address, or copy the preview URL.