There are different St. Vincent And The Grenadines visa types: tourist visa to St. Vincent And The Grenadines, business visa to St. Vincent And The Grenadines, etc. For each type you need to provide a specific set of documents. The processing times may differ as well. Please check the requirements, processing times, download St. Vincent And The Grenadines application form here and apply accordingly: https://st-vincent-and-the-grenadines.visacenter.ca/