When trying to deploy the descheduler-operator from code, the clusterrole is missing permissions for "monitoring.coreos.com" and "rbac.authorization.k8s.io", which were added to the main CSV in https://github.com/openshift/cluster-kube-descheduler-operator/commit/1a022bab559d982c238aee17d78bf555dd9bcc55
Since this bug is no-qa as confirmed by dev, moving the bug directly to verified state.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.8.2 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2021:2438