THPDFHTMLImporter.CreateAcroForms

Controls whether HTML form controls become interactive AcroForm fields during the import

property CreateAcroForms: boolean read FCreateAcroForms
  write FCreateAcroForms;

The unit is HPDFHTMLImport; the default is false, which draws form controls as static text and boxes

When true, input, select and textarea controls are emitted as AcroForm text fields, check boxes, radio buttons and choice fields owned by the document's AcroForm dictionary

Only RenderHTML5 supports this conversion