APLICANTS need to submit an aplication for a work permit prior to their arrival in canada is it possible, if all for someone to obtain a work permit after arriving in canada rather that prior to arriving

1. No thi is not possible under any circunstances
2. yes but only if the foreign worker will be employer under NOC 0 or A
3. yes if a an aplicants has been issued a study or work permit already
4. it is no possible unless the company applies for LMIA