This currently isn't an option with a plugin. Can we expect this in the future?
Yes, we are working on the support for ArcGIS Online Enterprise login and ArcGIS Enterprise on-premises. Please expect it in the future releases.
This is now implemented in the 1.1 release.
Here is the Whats New for 1.1 ArcGIS Maps for Adobe Creative Cloud 1.1 has been released
Retrieving data ...