...

Internal role accounts are primarily intended for users closely linked to your organisation, like employees. External role accounts are intended for users not part of your organisation, like contractors, vendors or corporate customers, but you want to interact with them via Lequinox enabled applications and get traceability for these interactions. 

Server accounts

 A server account is considered the digital identity of an application. A server account can be a creator or a recipient of a transaction, and can be used for automated tasks like opening and signing a transaction, and checking participant status.

...

Roles

When a role account is created, it must be assigned to one of the available roles. To activate their account and their role, the user must sign the agreement connected to that role. Accounts with the console administration levels Organisation and Platform administrator can add and edit internal and external roles associated with the organisation they belong to. Roles must also be connected to their respective agreements. 

...