How can we convert pdf file to excel format using WCF

i have created a converted pdf file into excel format using simple console application

here is my code:using Spire.Pdf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PDFTOEXCEL11
{
class Program
{
static void Main(string[] args)
{

PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile("timesheet_01_29_2020.pdf");
pdf.SaveToFile("PDFToExcel.xlsx", FileFormat.XLSX);
}
}
}

but this is what I am not looking for.i want this using wcf...can you suggest