Can not start job in debug mode for non-development robot
For running the workflow in debug mode, when connected to Orchestrator, the Robot should be provisioned with type Development .
Thus you cannot start a job in ‘debug’ mode for a non-development robot.
You can gather more information on this by following below links:-
Please find the below snapshot for your reference.
Since Version 2018.1 the licensing is taken care by Orchestrator that means you do not need to individually license your studio/robots.
The licensing information will be fetched from Orchestrator and user will be able to run only those functionalities which are permitted by that type while provisioning the bot.