i think Ontarios pnp is all online i appllied under international graduate with job offer category online only the federal processing for PR after nomination is paper based.
i read in other forum mar 14applicant got MR
https://www.canadavisa.com/canada-immigration-discussion-board/threads/pnp-pr-in-land-paper-based-applicants-february-march-2018-lets-connect-here.546805/page-4
i dont know what they can ask but yes you can contact them i would say wait until you complete two months after file was received because it may be getting slower cant say anything.
check this out explains everything u need to know and if you still have question start posting them here..good luck
https://www.canada.ca/en/immigration-refugees-citizenship/services/immigrate-canada/provincial-nominees/application-process/paper.html
cic website says they try to finish all cases in 10-11 months rest of it depends on the complexity of the case also processing times for this year seems faster than last year lets hope for the best keep us posted!