For now, there is no such a possibility out o the box, however you can configure something like this. You can use a certain property of the user account that shows a user's enrollment status. For example, you can use a boolean property, and True means that the account is enrolled. You can also give the property your own name and display it as a checkbox on the Web Interface, so it looks something like this:
If you are OK with such a workaround, we will provide you detailed instructions on how to achieve it.
In the next major version, Adaxes 2017.2, there will be built-in functionality to display the enrollment status in a convenient way.