Based on the ITIL framework, a service request and/or a change request can cause the generation of a workflows.
By definition, a workflow is the sequence of steps involved in moving from the beginning to the end of a working process.
Workflows allow companies to create consistent, standardized work and standardized workflows help companies operate effectively to reach their business goals.
Deepser, the ITSM software, allows you to generate a working process, e.g. an approval process, using the Approvals module and the Flow module.