Hi Maddoxkj,
welcome to the Apple (user-to-user) Community.
Re: Can Assisted Access unlock with Face ID?
Am no expert in this area, yet your question certainly deserves some response.
Apple Support's online article: Set up Assistive Access on iPhone - Apple Support
says for:
Step 5: Verify the device passcode
Make sure the person using Assistive Access knows the device passcode, if one has been set. The device passcode is the numerical code used to unlock iPhone.
You can also set up Face ID or Touch ID (depending on the iPhone model) so that the person using iPhone can unlock it with their face or a finger or thumb.
To make changes to the device passcode, Face ID, or Touch ID, tap Change Security Settings.
Learn how to set up Face ID on iPhone
Learn how to set up Touch ID on iPhone
If you left Assistive Access setup to make changes to security settings, go back to Settings > Accessibility > Assistive Access to continue.
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If you need more help or support, you may want to contact the experts in Apple's Accessibility Support Team:
How to contact Apple for accessibility support - Apple Support
All the best :-)