NEW IN STUDIO 360: Content Library 360 Images, Icons, and Videos

Hi Michael,

You can find our Terms of Service here, and this piece on Content Library should cover your question: 

• 2.11. Content Files. "Content Files" means Articulate-provided files such as character images and illustrations, templates, interactions or other pre-built content as part of the Services. Unless the documentation or specific license associated with the Content Files states otherwise, you may use, display, modify, reproduce, and distribute any of the Content Files as part of the Services. However, you may not distribute the Content Files on a stand-alone basis.

In short, you can use anything you'd like within an Articulate 360 tool, but you can't add them standalone into any other applications.