The PDF File has been inserted into an Excel sheet as an object similar to a chart or any shape. We can drag it or resize it as we want. Repeat the same steps to insert more PDF files into the sheet.

You may already know you can add a watermark to a Word document, but you might not know that you can also add a watermark to an Excel sheet. Here's how.

You can insert or add Header and Footer in Excel spreadsheet using this tutorial. Insert page number, current date and time, etc.