As of version 2.0 you need Rendering Server in case you want to use any sub system. All the rendering on devcies or streaming is handled by Ekomsys Rendering Server. There are plans to remove this dependency in upcoming releases.
Ekomsys, LLC provides multimedia software components that can be used by engineers or by broadcast industry to deliver high quality multimedia content. Ekomsys partners with other software companies to collect feedback and to continuously improve the product.