The Google Pixel and Pixel XL on Verizon will be getting updates at the same time as unlocked users. As reported by Ars Technica, the operating system and security updates of Pixel Smartphones will happen in partnership with Google.
The Pixel and Pixel XL on Verizon comes with 3 extra Apps installed including My Verizon and Verizon Messages, which can be easily uninstalled. Also, the Verizon version of the Google Pixel will be carrier unlocked, so you can use it where ever you like.
Google confirms the statement saying-
"OS updates and monthly security patches will be updated on all Pixel devices (Verizon and non-Verizon versions) simultaneously."