All stories are shown on StorifyMe domain by default (eg.
If you want to start showing stories on your company domain (eg.
stories.mydomain.com), you would need to setup custom domain.
In settings, all Premium and Enterprise users are allowed to simply add their domain and save it.
Once a domain is added, you would be able to verify Google domain HTML tag, if you need to submit the
sitemap.xml to Google Search Console.
CNAME records on your side, it might take up to 1 day for DNS changes to propagate and your domain to start working.