My contract has a listing agent signature for the offer? Does my listing agent have to sign?

My contract has a listing agent signature for the offer? Does my listing agent have to sign?

At Houzeo, a seller represent themselves, as Houzeo enables you to work on a Flat Fee Model, this means the listing agent is not required to sign the offer as the listing agreement between the seller and the listing agent is an exclusive agreement and the listing agent does not represent the seller. The listing agent is not required to sign the offer.

You may refer to this article for more information.