What is the role of NSO in network automation?

Cisco Network Services Orchestrator (NSO) acts as a bridge between application or service owners and infrastructure owners, allowing each team to operate in their native environment while still collaborating effectively together. It simplifies service delivery and management by bridging the gap between applications and network devices

https://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/network-s ervices-orchestrator/datasheet-c78-734576.html