Yes, it is possible to move to any province after getting a particular provincial nomination.But, you must remember :
You cannot express your desire to move to another province to the border officials.If you do, you will be sent back.
You cannot move before you get the Confirmation of Permanent Residence (COPR).If you do, you may lose the nomination.
You cannot move even if you get the PR card.
You can move only if :
You are a full resident
You have a PR card
You have lived in Canada for 760 days