Reports and dashboards are mainly used to monitor and upkeep microservices. There are multiple tools that help to serve this purpose. Reports and dashboards can be used to:
find out which microservices expose what resources.
find out the services which are impacted whenever changes in a component occur.
provide an easy point that can be accessed whenever documentation is required.
Versions of the components which are deployed.
To obtain a sense of maturity and compliance from the components