■ Main function1. Payment processing box-You can check the documents that you need to pay and approve and return them.-Document contents can be checked by zooming in and out, and all attached files can be checked.-Depending on the payment progress is divided into five steps are managed.1) Document to be approved-List of documents to be approved that have not yet been approved2) Approved Documents-List of documents that you have approved3) Completed Document-List of documents that you have been approved as the final approval4) Returned documents-List of documents returned without approval5) Recipient Confirmation Document-A list of documents that you have designated as recipients of the documents2. My draft document-Manage documents-Depending on the payment progress, it is divided into three steps.1) Document in progress-List of documents in progress after payment is not completed yet2) Completed Document-List of documents that have been approved by the last approver3) returned documents-A list of documents that are not approved and returned■ Features1. Push notification function-If there are documents that you need to pay, you can receive a notification on your mobile phone.2. Link with PC version electronic payment system-You can use the electronic payment system on your PC.