Issue with Email Option - users has no option for email?

I have noticed so many users has no option for email, whereas I have given all the rights to them.
Any idea, what I am missing?

Regards
Ruchin Sharma

Anyone, please throw some light on this.

hi, sorry but maybe you try it in Canceled document?

@NMyshuk
No, I tried on every other document but anyhow, I have solved this issue. It was the issue with some workflow.

Regards
Ruchin Sharma