In one moment, you say they show, then you say they don't. Could you clarify your post? Do you mean that each client shows only its own share? Have you browsed for the other shares from the task pane?
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation technologies coming to Siggraph 2017
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.