Hi @dotem ,
You can restrict deleting documents by turning off editing of documents.
It depends what you mean by delete, just by the end user? Retention labels once applied will stop a user deleting a file but they can still remove the retention label.
You could move any finalised documents using power automate to a second document library where the users only had read permissions. Or power automate could identify it as a docusign document and remove permissions to the users.
Neither solution ideal and may not work for what you want to do.
