1. A method of managing a construction project by an application server, the method comprising: in response to receiving, by the application server from a payee device, a signed lien waiver electronic document: (i) storing, by the application server, the signed lien waiver electronic document generated by the application server, to a computer-readable memory, the signed lien waiver electronic document being electronically executed by a payee associated with a payment to the payee from a payor device, the signed lien waiver electronic document being stored to the computer-readable memory prior to facilitating the payment; and (ii) automatically, by the application server, transmitting an electronic notification to the payor device by network communication, the electronic notification informing the payor device of the signed lien waiver electronic document stored to the computer-readable memory prior to facilitating the payment; controlling, by the application server, an exchange of the signed lien waiver electronic document and payment instructions by facilitating, by the application server, the payment only after the signed lien waiver electronic document is stored to the computer-readable memory, wherein the facilitating includes transmitting to a payment system computer the payment instructions to transfer electronic funds of the payment to the payee; receiving, by the application server, a request from the payor device to electronically access the signed lien waiver electronic document; in response to the request, determining, by the application server, whether the payment has been facilitated by the transfer of the electronic funds to the payee; upon determining that the payment has been facilitated, automatically controlling and providing, to the payor device, by the application server, electronic access to the signed lien waiver electronic document stored to the computer-readable memory, and upon determining that the payment has not been facilitated, automatically preventing, by the application server, the payor device from electronically accessing the signed lien waiver electronic document stored to the computer-readable memory.