No. TD does not authorize work. The principal’s qualification and a dependent’s status are separate questions.
Assess the household individually
A spouse’s own profession or licence does not automatically change TD permission either. The dependent category is for a qualifying spouse or unmarried child under 21; each person needs valid status.
Document the spouse's intended remote work in detail and confirm whether a separate work authorization route applies, rather than assuming a Canadian client relationship is irrelevant. Avoid encouraging a spouse to resign from current work or committing to a school year abroad based on this offer alone until independent supervision is documented and the arrangement looks presentable as qualifying employment rather than self-employment. TD dependant status permits residence and study but confers no work authorization at any point, so a spouse cannot take American employment, freelance, or work remotely for a Canadian employer from inside the United States. Households should therefore plan the response in advance: what the family would do if a contract were cancelled, whether a child mid-school-year would remain, and whether anyone in the household has an independent basis for staying. If the spouse intends to work, the family should look at the spouse's own qualifications and citizenship for an independent route, or at whether the agronomist's employer structure could support L-1, where L-2 spouses are employment-authorized incident to status.