No. For employment or business expenses, you can only claim expenses for which you have receipts. You also must have a logbook with the actual number of kilometres that you drove for employment or business purposes.
Using “Mileage” rates is an option in the US, but not here in Canada.
This CRA page details what is allowable for Motor Vehicle Expenses for Employees: https://www.canada.ca/en/revenue-agency/services/forms-publications/publications/t4044/employment-ex...
This CRA page details what is needed to claim Motor Vehicle Expenses for Self-Employed individuals: https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/sole-proprietorships-partners...
