Finally found my own Answer:   In 9.X the Remote Connection, General Options, Select Action after all Sessions Exit is now found: Under Policies 9.x Advanced Login Experience Sessions Settings Enable Auto Log Off, pick the appropriate setting (in my case was Enable Auto Log Off)   Thanks    
We are using WMS 3.3.129. We are struggling to find the WMS setting for 9.X devices to control the  On the Wyse device, We go to Remote Connection, General Options, Select the action after all sessions exit. We want to default Sign-off automatically. This was set in older version of 8.5X, was under Visual Experience,  Visual Experience, Action after All Sessions Exit.   Where do we find this for 9.X Wyse Thin-OS for WMS 3.3.129? Thanks in Advance.  
WMS 3.3.1 29 - Remote Connection, General Options Select the action after all 
sessions exit