Open the PDF in the reader.
On left of the screen you can see an icon presenting the layers.
Click on it the reveal all layers
If you print the file now, you will have a hard time copying what you need.
…. Click the eye in front of the size you need. It should be open. All other sizes must have closed eyes.
The eye in front of the text must be open as well.
Now click the ‘Print’ button and only the selected layers will be printed.