Non-administratror users are no longer able to view or copy password after updating to Remote Desktop Manager 2019+
This setting was changed because of security purposes.
If you want to allow Users or specific User groups to be able to view the password from all your sessions, you must configure the View Password setting found in Administration - Vault Settings - Permissions - View Password
As per your security policies, you might want to do this more granular. You can set the Permissions in the Properties of Folders or even specific Entry The Grant Access button will allow you to batch edit the Permissions for multiple User groups or Users