The documentation for Policy Reporter v3 can be found here: https://kyverno.github.io/policy-reporter-docs/
Installation via Helm Repository
helm repo add policy-reporter https://kyverno.github.io/policy-reporter
helm repo updatehelm install policy-reporter policy-reporter/policy-reporter --create-namespace -n policy-reporter --devel --set ui.enabled=true --set kyverno-plugin.enabled=true
kubectl port-forward service/policy-reporter-ui 8082:8080 -n policy-reporterOpen https://localhost:8082/ in your browser.