Hello,
When a request is closed either on approval or rejection.
example when request is closed upon approval it completes all stages and provision happens and workflow is complete and request get closed and the email notification is sent upon closed with logs of either assigment or deassigment based on nature of request,where it will show provision logs.
when request is closed upon rejection of entire request is rejected and triggers ARCLOSE again . and same template is sent since there was no provision hence it displays no provision log available.
Regards,
Prasant