Yes, but you will only be able to download a PDF copy of your return, which can't be edited. Your accountant won't be able to make changes or file the return for you. You'll have to come back and do it yourself in TurboTax.
This FAQ tells you how to save/print a copy of your tax return in TurboTax Online: https://turbotax.community.intuit.ca/community/tax-return-print-save/help/in-the-online-edition-of-turbotax-how-do-i-print-a-copy-of-my-tax-return/00/873651