hey @shutty, I'm wondering the same thing and I found this:
Can I leave Canada while IRCC processes my application for permanent residence?
Yes. However, if you leave Canada while your application is being processed, you must meet all the admissibility rules before being allowed back into...
Use twitter (@WESCanada)!
After a month and a half of "Documents received review in progress" status and no replies on my emails I complained on twitter. Things started to get moving, but it still took them 1 month to complete my evaluation.