How can I order digital distribution only?

If you're looking for "just" digital distribution with no physical disc manufacturing, you'll want to head over to the Artist Members site at https://members.cdbaby.com/ .

The FAQ page lists a ton of awesome information - https://support.cdbaby.com/hc/en-us

If you need to contact the Artist Members support team for assistance - 

https://support.cdbaby.com/hc/en-us/requests/new