Yes. They don’t all have posters but all jurisdictions require employers to post certain materials. Here are links to the employment standards posting requirements of all jurisdictions outside Ontario. Just click on whichever one you need.
Alberta https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-alberta/
BC https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-british-columbia/
Federal https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-federal/
Manitoba https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-manitoba/
New Brunswick https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-new-brunswick/
Newfoundland https://hrinsider.ca/workplace-posting-requirements-checklist-newfoundland-and-labrador/
Nova Scotia https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-nova-scotia/
NWT, https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-northwest-territories/
Nunavut, https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-nunavut/
PEI https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-prince-edward-island/
Quebec https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-quebec/
Saskatchewan https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-ae-saskatchewan/
Yukon https://hrinsider.ca/workplace-posting-requirements-employment-standards-checklist-yukon/