Only you can initiate the transmission of a tax return. Unless you are having your tax return completed and filed by a CPA using the Full Service option.
You complete your tax return by finishing all 3 Steps in the File section. In Step 3, to e-file your tax return, you must click on the large Orange button labeled "Transmit my returns now".
To contact your Full Service tax expert - https://ttlc.intuit.com/community/tax-expert/help/how-to-contact-my-full-service-expert/01/1984817