The following section of the Broker on OpenShift guide shows how to install the AMQ Broker Operator from OperatorHub: https://access.redhat.com/documentation/en-us/red_hat_amq/7.7/html/deploying_amq_broker_on_openshift/deploying-broker-on-ocp-using-operator_broker-ocp#proc_br-installing-operator-to-project-from-operatorhub_broker-ocp

This procedure should include an explicit step to log in as a cluster administrator.