To create an option for employees to only view details in the Chat, the following settings need to be enabled:
Go to the Chat.
Select or Create the group where members can only view chats sent by Admin but cannot reply to it.
Click on the name of the group at the top and go into the settings of the group.
Select the option "Read Only for Members". No members in the group other than Admin will be able to reply / send message in the group.