Is it possible to re-arrange the PDF document pages?

Yes, it is possible to rearrange the pages by using the ReArrange method of PdfLoadedPageCollection object. By passing the page order in array will reorder the pages.

[C#]

//Load the existing document

PdfLoadedDocument doc = new PdfLoadedDocument(@"..\..\document.pdf");

//Get the pages in the document

PdfLoadedPageCollection coll = doc.Pages;

//Reorder the pages

int[] array ={ 3,1,2,0};

coll.ReArrange(array );

doc.Save("Rearrang.pdf");

doc.Close(True) ;

["VB"]

'Load the existing document

Dim doc As PdfLoadedDocument = New PdfLoadedDocument("..\..\document.pdf")

'Get the pages in the document

Dim coll As PdfLoadedPageCollection = doc.Pages

'Reorder pages

Dim array() As Integer ={ 3,1,2,0}

coll.ReArrange(array)

doc.Save("Rearrang.pdf")

doc.Close(True)

Sample reference:

http://files.syncfusion.com/support/pdf.Windows/PDF-Page-Re-arrange.zip