Cfdocument - just another "is it suppose to do this" question

I am using PDF 1.2.0.10, and the question is, if I use

<img src="/images/myImage.jpg" />

Is it really not going to pull the image locally or did I miss a setting in the cfdocument tag to make it pull the image from the server directly? The only way I can get an image to display in the PDF is if I

<img src="https://example.com/images/myImage.jpg" />

I have tried the use localUrl="true" but the image still does not appear.

I did forget to mention that the full path does work (without needing the localUrl).

<img src="#expandPath('/')#images/myImage.jpg" />

I am just asking in regards to the simple html src I listed above.