Unable to start the auo encryption & PIN option is not availble

Dear Team, One of our client glenmark is having issue with sophos safeguard encrytion. When we install last packages client configuration & restart the system,then the PIN option is disabled. Hence we have tried to reinstall it & try again and till the auto encryption & PIN set option is not showing. We need your help to resolve this issue & this issue is occur on Microsoft Surface Book 3 & windows version is Win 10 Pro 10.0.18363 build 18363.