An information processing system comprising: a document generation unit configured to generate both of a form document page and a field attribute information file by performing overlay process that uses form information and field data, wherein the form information includes attribute information indicating at least one of information about text position alignment of each field and information about an output format of each field, and wherein a file format of the generated form document page is a portable document format, PDF, and wherein the generated field attribute information file includes the attribute information indicating at least one of the information about text position alignment of each field and the information about the output format of each field; a conversion unit configured to convert the form document page generated by the document generation unit into an editable form document page, wherein a file format of the converted electronic editable form document page is a scalable vector graphics, SVG, format; a browsing screen generation unit configured to generate data for displaying a browsing screen for browsing and editing the converted editable form document page of the SVG format, wherein the generated data includes at least the generated field attribute information file, the converted editable form document page of the SVG format and a control program for controlling editing of the included electronic editable form document page of the SVG format based on the included field attribute information file, and wherein the included field attribute information file is used when editing a field in the included electronic editable form document page of the SVG format; and a transmission unit configured to transmit the generated data for displaying the browsing screen to a client apparatus. a document generation unit configured to generate both of a form document page and a field attribute information file by performing overlay process that uses form information and field data, wherein the form information includes attribute information indicating at least one of information about text position alignment of each field and information about an output format of each field, and wherein a file format of the generated form document page is a portable document format, PDF, and wherein the generated field attribute information file includes the attribute information indicating at least one of the information about text position alignment of each field and the information about the output format of each field; a conversion unit configured to convert the form document page generated by the document generation unit into an editable form document page, wherein a file format of the converted electronic editable form document page is a scalable vector graphics, SVG, format; a browsing screen generation unit configured to generate data for displaying a browsing screen for browsing and editing the converted editable form document page of the SVG format, wherein the generated data includes at least the generated field attribute information file, the converted editable form document page of the SVG format and a control program for controlling editing of the included electronic editable form document page of the SVG format based on the included field attribute information file, and wherein the included field attribute information file is used when editing a field in the included electronic editable form document page of the SVG format; and a transmission unit configured to transmit the generated data for displaying the browsing screen to a client apparatus.