Yes, the federal government of Canada is able to select candidates from the Express Entry pool. These candidates do not necessarily need to have a valid job offer from a Canadian employer in order to receive an Invitation to Apply for permanent residence

A successful applicant can bring his or her spouse (i.e. husband or wife) or common-law partner, as well as dependent children, to Canada. In the case of married couples and common-law partners, only one of the partners needs to receive an invitation to apply for permanent residence. The spouse or common-law partner of the principal applicant, as well as any children under the age of 19 (at the time the application is received), also receive a permanent resident visa. A spouse must submit language test results and security background checks. A spouse and all dependent children, as well as the…