A cloud-based identity and access management service for securing user authentication and resource access
Hello @Robbin van der Want
Thank you for reaching out. I would request you to please provide "Policy.ReadWrite.Authorization" permission to user executing this command. This is documented in the equivalent Graph API article: Update authorizationPolicy.
I hope this helps to resolve your query. Please "Accept the answer" if the information helped you. This will help us and others in the community as well.