Sorry this link was wrong .. I meant this
https://travel.gc.ca/travel-covid/travel-restrictions/answers/foreign-temp-worker
Just trying to understand here. I have ICT WP - In progress and after approval I will get the necessary documents from my company , I guess that will be called as travel authorization letter. But what about my dependents , will they also need travel authorization letter ? If yes they from where to get the same as my company / Organization will not be able provide one form them I suppose ?