In the Insert tab, there’s an Illustrations section where you will select Pictures. This will bring a dropdown of options for you to choose from. If you don’t already have an image in mind ...

To insert an animated GIF as a background in Word documents, follow these steps: Launch Microsoft Word. Click the Insert tab, click Picture, and choose This Device.

Now insert pictures into each table cell. You will notice that the pictures are too huge for the table, so they will not hold onto one document. To fix this issue.

You can insert a PDF into Word via the File, Open menu, which turns the PDF into an editable document, or as a non-editable image.