Yes, if you have a 4th generation apple TV within Bluetooth range of your August Smart Lock that is setup to work with HomeKit. You can then use Siri remotely or operate remotely through the August app.
The diagram below explains how the integration works:
If you have a HomeKit-enabled Smart Lock, adding a new Owner and giving them HomeKit access can be done at the same time.
For more information on sharing HomeKit access with other users, check out this article.
HomeKit Reset - Yale Access Locks
If HomeKit fails to pair within the Yale Access App and/or the Apple Home app, attempt the below steps to reset HomeKit.
Note: If the issue continues, try using another iOS device to operate HomeKit.