Yes, the National Film Board's CAMPUS license permits instructors to post links to films or embed the films in Brightspace.
"CREATE PERSISTENT LINKS to individual films for access by Authorized Users for Permitted Uses under this Agreement, from within secure authentication environments" (sec. 3.2).
"Member Institutions and Authorized Users may incorporate parts of the Licensed Material . . . in virtual and managed environments (including but not limited to virtual learning environments, managed learning environments, virtual research environments and library environments) hosted on a Secure Network (only accessibleto Authorized Users by Secure Authentication)" (sec. 3.6).
License Agreement for Electronic Products. National Film Board of Canada, 2020