There are 2 flavors of pixel phones the Verizon and Google, both are carrier unlocked but the Verizon has a locked bootloader. There are work arounds for some

There are 2 flavors of pixel phones the Verizon and Google, both are carrier unlocked but the Verizon has a locked bootloader. There are work arounds for some of the devices but last time I checked none for the pixel 2xl. If your buying a used one for Lineage good idea to check.