It's not different in Canada. ESAs aren't recognized at a federal level there, either.
https://therapetic.org/canada-register-emotional-support-animal/
In Ontario, for example: The AODA does not require employers to allow “emotional support animals” in the workplace. The Ontario Human Rights Code (the “Code”), however, may require employers to permit emotional support animals as a form of accommodation for individuals with certain disabilities. For example, emotional support animals may be prescribed to assist individuals with the following disabilities: -- followed by a non-exhaustive list of POSSIBLY covered conditions. But those conditions would require some serious hoops and a physician willing to put their licensure on the line.