Yes. As soon as your Outlook mailbox is connected to TimeTonic via the Email module, your sends will come from that address, including reminder emails triggered by native automations. This way, you use your usual professional address.
To connect your mailbox, see the article How to synchronize a mailbox with TimeTonic.
Good to know. For an Outlook / Microsoft 365 mailbox, sending may require a setting on the Microsoft side (SMTP authentication). See the article Configuring an Outlook / Microsoft 365 mailbox with the TimeTonic Email module.
Sending emails via automations to send an email uses the native management of your emails.