I'm having an issue whereby text that is in italics (font verb light italic) becomes pixelated. I thought this was an issue with the way illustrator displayed it but seems to follow on into the exports as well. How can I solve this?
Of course it is pixelated because now the image is formed by pixels.
Assuming you are viewing the image at 100%, real size, no zoom, and you do not like the look, you feel it is too harsh, you can export the image at double size, for example at 600ppi and after resampling it on Photoshop trying different settings until you find some aliasing that you like.
But the truth is that the image you posted looks fine to me.