From the looks, both siblings does not have significant family ties outside of Canada. As they are from India, CAD 11k is probably not enough. Your funds are not considered.
I have no similar experience but not unheard of. Some people were denied entry even visa was granted and later cancelled. This probably a better situation than arriving at the border only to find that one's visa was cancelled (or simply denied entry) and had to get a flight to leave the...
I think the person will need to provide document such as PR card, PRTD, ETA, visa and etc. before boarded. Also, Canuck only mentioned "air". I suppose someone also cross international borders through marine vessels.
Assume she has US visa, in August 2026, you pick up her in a US airport and return together to Canada. Once she's in Canadian soil, she apply for her PR renewal.