There are currently three roles within the system assigned to any given user. Each described below...
Admin - This role allows you to access every aspect of a project, including settings, song splits, inviting new collaborators, uploading and downloading files, and commenting on any audio file.
Editor - The editing role allows you to upload and download files on projects and comment on songs. You will not be able to invite new collaborators, or edit song splits. You can view a project's settings, but only Admins can edit them.
Viewer - This role is meant strictly for collaboration and feedback. You can comment on any song and participate in the collaboration on creating a track. You can also view any of the files tied to a project. You are not able to upload any files. You are not able to change song splits. You are not able to change project's settings or invite others to join.