To embed a PDF into an article, click the Media Manager icon in the editor.
Then again, in the next window.
Click, Add File.
Choose the file you wish to upload.
Click Select then Ok.
Edit the size using the Dimensions fields or within the editor by highlighting the image and then dragging the corner handles.
If the PDF toolbar is missing, increase the dimension size to 500 x 500.
Save and Publish Now.
The PDF reader allows the document to be scrolled, downloaded and printed.