It provides dedicated Insert and Data tabs using which you can easily add a PDF document to Excel. Or, you can even embed a PDF into an Excel spreadsheet by adding it as a hyperlink.

How to Insert an Attachment Into an Excel Spreadsheet. When you insert an object into an Excel file, such as a PDF file, Word document or an email message, you can access it more easily during a ...

Insert the PDF file into a cell in the Excel worksheet by clicking on the cell then selecting the "Object" option from the "Insert" menu.