No form do Demo, remova os dois componentes Rave (Rave e RaveCB).
Na unit do Form, remova as referências (somente elas) que estão entre {chaves}:
ACBrNFeDANFERave
ACBrNFeDANFERaveCB
Mande compilar que vai dar certo.
unit Unit1;
interface
uses IniFiles, ShellAPI, pcnRetConsReciNFe,
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, Buttons, ComCtrls, OleCtrls, SHDocVw,
ACBrNFe, pcnConversao, ACBrNFeDANFEClass, {ACBrNFeDANFERave}, ACBrUtil,
pcnNFeW, pcnNFeRTXT, pcnAuxiliar, ACBrDFeUtil,
XMLIntf, XMLDoc, {ACBrNFeDANFERaveCB};
type
TForm1 = class(TForm)
Panel1: TPanel;