How to active keyboard option to enter own reason instead of predefine reason to void receipt?

Set “Master Configuration” Privilege from eZee Burrp Back office.

Refer attached SS.

https://ezeesupport.freshdesk.com/helpdesk/attachments/9029812451

https://ezeesupport.freshdesk.com/helpdesk/attachments/9029812452

https://ezeesupport.freshdesk.com/helpdesk/attachments/9029812697