1.You can implement block downloading and printing on files in the SharePoint, set Block downloading in the Link settings.
2.To block copying contents, when you share with external users, select Can view.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.