You must be sure you have been added to that department's Escalation Policy.
Related Articles
How can I have a different auto reply on a form for the Interactive form application?
Can multiple people be part of the escalation policy and receive notices of submitted forms at the same time for the Interactive form application?
How do I assign Users to a Department for the Interactive forms application?
Where do I find the Emails under “Send Manual Email on Save" for the interactive forms application?
How can I check the sender address in the emails sent by my Revize Interactive Forms application?