Rendering with X-Form How?

[Numi]

So, I using telescoping strectching and making warp points with poly elastic audio plugin..until I get an entire 4-5 minute track completely sync'd with my desired project tempo. I then change the plugin to the X-Form plugin for best quality and the audio then greys out and there is no playback from it anymore(im assuming it is rendering??)..but I don't see any "render" option on the plugin, or from any of the drop down menus. Does it just automatically begin the rendering process as soon as I set it to the x-form plugin? or do I have to tell it to??

Anyways, I want the stretching and compressing of the tracks I'm mixing to have the best quality during mixdown, and I understand that that X-form sounds the best. I'm using PT's 8.

Thanks in advanced!

[twix]

You have to set EA to off, so it renders the track, it will ask you to commit to changes. You can only hear the X-form after it renders.