Cannot auto discover databases and collections: cannot list the collections & Checking authorization failed

I believe this user is automatically created by the percona operator? We did not create this user or define its roles.

{
    "_id" : "admin.clusterMonitor",
    "userId" : UUID("d4f1e927-6838-4f2b-b7c6-6ad02431e319"),
    "user" : "clusterMonitor",
    "db" : "admin",
    "credentials" : {
        "SCRAM-SHA-1" : {
         ...
        },
        "SCRAM-SHA-256" : {
          ...
         }
    },
    "roles" : [
        {
            "role" : "explainRole",
            "db" : "admin"
        },
        {
            "role" : "read",
            "db" : "local"
        },
        {
            "role" : "clusterMonitor",
            "db" : "admin"
        }
    ]
}