Might help if we knew what interlock was. Tyvek is certainly not made for, or tested for application on the ground.
Why??Don't use WRBs or landscape fabric under the pavers, but you can put 1" of sand over 4" of gravel under your pavers.
Why not WRBs? Because one side of Tyvek blocks water. The other side only allows moisture through. So laying it down regardless which side is up your pavers will be floating in a pool.Why??