Document automation works especially well when there is a repeatable format, a clear workflow and a simple final validation step.
You do not need to start with a massive system. Often it is enough to capture key fields, validate exceptions and send the result into the ERP or CRM.
The benefit is not only time saved. It also improves traceability, reduces manual errors and speeds up downstream work such as reporting or collections.
As with any AI project, rule quality and data quality matter more than the demo effect.