Does Stop-CauRun Stop the Current Server or the Whole CAU action?

When using a PreUpdateScript or PostUpdateScript with "Windows Cluster Aware Updating" and "Updating Run Profiles" would calling the cmdlet Stop-CauRun do any of the following:

• Would it actually stop the updating process at all?
• Would it stop the updating process on just that node?
• Would it cancel the whole CAU action (meaning no other nodes will update)?

I read over the MS page on this and it wasn't clear on whether the pre/post scripts can help control the CAU process. For reference:

Advanced Options and Updating Run Profiles for CAU