If you would like to include Powerpoint slides as an appendix to the submission form, the simplest option is to export the slides as images and then insert those images into the Word document.
File
Export > Change File Type > PNG > Save As
Choose the export location and click Save
All Slides
OK
Open the Word document
Insert > Pictures > This Device
Select all the images of the slides and click Insert
Resize the images to fit the two page limit
