Answered
Fancy Product Designer is not compatible with Vitrine Theme
On the frontend, everything loads perfectly. But in woocomerce orders section load in order viewer button is missing. Works fine in the default template.
please open a support ticket for your issue.
I am also facing issue that custom design is not showing in my cart. please Help
It is most likely an issue caused by your theme (In that case you have to contact your theme developer. If it is not, please open a support ticket so we can have a closer look at your issue.