When any change happens in JSD ticket, email goes out to recipients but recipient can't do reply to all to that email because the email which has been received is bcc. As per below note, emails are going out but how will they come as cc and not as bcc in mailbox of recipient.
https://community.atlassian.com/t5/Jira-Service-Desk-questions/How-to-keep-CC-recipients-when-reply-on-ticket/qaq-p/1365495
