Step 1: Naviagate to the page you want to add a Google Drive file to
Step 2: Select the Edit tool
Step 3: Go to "Insert" > "Document"
Step 4: Find the files you want to add...
Step 5: Edit file name (if you want)
Step 6a: Viewing your file
Step 6b: Viewing your file- This is what it will look like once you saved your page