Leon is right - you can apply to extend her stay from within Canada using
this application. As long as the application is received by CIC BEFORE her current status expires, she can remain in Canada with legal status until a decision is made on the extension. The alternative is to file the extension application, requesting an "initial work permit" WITH the inland PR application - but again, you have to get it to CIC before her current status expires. If you choose the inland option she will have "implied status" until first stage approval, which happens approximately six months after the application is received by CPC-Vegreville. The disadvantages to the inland process are that there is no right of appeal, an applicant should not leave Canada during processing because if they are refused re-entry they cannot complete the process (as it happens entirely within Canada) and the application will be forfeited, and it takes 12-18 months for an inland ap to reach final approval. Being that your wife is in Canada, with legal temporary status, and is from a visa-exempt country, you might want to consider the outland process. Processing timelines are significantly shorter than inland, there is a right of appeal, she can leave Canada without affecting the processing of the ap (and may have to do so if an interview is required). There is no guarantee that she would be readmitted to Canada, but the PR ap would continue to process. Also, if her initial visitor status was granted for a year, she is eligible to apply through Buffalo (as opposed to Manila). Manila is actually finalizing aps faster than Buffalo is (4-6 months as opposed to 3-9 months for Buffalo), but if an interview was required, she could attend in Buffalo rather than Manila. Either way, she can "land" at the end of the process by simply crossing the border into the States and coming back to Canada. There's also new legislation in process that will allow outland applicants to "land" at an inland Immigration Canada office, as long as they have legal temporary status in Canada when approved for PR.