CA Client Automation by default does not install DTS on the Windows agents,
Software Delivery handles all software installations,
there are a few reasons why you might want to install DTS on an agent.
In what conditions should DTS Agents be Installed and Configured on Agent End Points?
What are Best Practices?
CA Client Automation - All Versions
In Most cases it is NOT recommended to install and configure DTS Agents on Client Automation
endpoints since it adds overhead to the agent machines as well as to the Domain Managers.
Here are some scenarios in which Installing and Configuring DTS Agents may be Considered:
Please see the online Documentation for further details concerning DTS: