If you are referring to Table or Blob updates, there is no concept of explicit commit or rollback. When you call an API call (direct REST or through PowerShell / CLI / SDK), it is just an action against the repository, and it will be successful or unsuccessful (although some actions take time and the call may return to completion). This is not a transaction action wrapping this action. You will need to take care to disable Table / Blob updates at the application level.
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