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If there are no Vacation Types created yet, then this step is to be skipped.
6) Remove message "After creating document review it and send using Send to supervisor button"
Because this message is no longer accurate and might lead to questions from user, that they can not see this button it should be removed.
We don't have currently build in solution for that, but you can use free app "InProduct translation for Jira" (by Atlassian Labs) to change this message into empty string.
Just install the app and change that message info empty string, or change it to your needs eg. "Double check your leave details, it will go straight to Supervisor"
Note: It seems that mentioned app is not working correctly on some versions of Jira (e.g. 8.1.0). We will work on different solution for that.
7) Finally users can request a leave that goes directly to user's supervisor directly after pressing "Create":
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