Usually business and school administration offices disable this on a Chromebook because they give the device to you to use for work, therefore disabling access to certain websites and features. They don't want you to mess around with their devices. There are 3 solutions to this; Buy a personal Chromebook.

If you're using a Chromebook managed by a school or business, the inspect element function might be blocked, and you'll be unable to follow the steps in this guide. There's no way to unblock it without asking the administrator first.