I don’t see this feature in our version of WilsonWeb, so it obviously needs to be "switched on", which makes sense since it would need to be married to your local ILL system. We’re eventually going to offer one-click ILL through our SFX menu, but if you don’t have SFX or similar, and if you allow your distance patrons to use your ILL forms, this might be a nice option.
Read all about it on their press release.