This is my question too. they didn't say anything about it. but it doesn't look problem. in case if they send AOR you can come back soon. because AOR doesn't mean PR approval. so they won't cancel your visa
Recent international graduates from a Canadian institution
Eligibility
To be eligible, you must
be in Canada
have valid status in Canada
plan to live outside of Quebec
meet or exceed the language requirements
be currently employed
have recently graduatedfrom a designated learning institution in Canada andwith an eligible credential
not be a refugee claimant in Canada
Please take a look of the first point, I don't know if it means we have to stay in Canada by the time we submit the application or we need to stay before they make a final decision of the application.
For the things I don't know, I won't take any chances.