As an Administrator, you have the ability to limit whether or not Creators on the account can request captioning for a video. You can also set a max number of minutes that they can request for a particular video.
These settings can be found under Account Settings > Org Settings > Closed-Captioning Service.
Here's what it looks like:
Note: We also offer the option for you to select a "captioning administrator" who will receive a notification every time a captioning request is made. They have the ability to approve or deny every request a Creator makes. If you are interested in this option, please contact ilos Support.