Customer :
In regards to sign for the package. I cannot find it.
XAdapter Support :
We have an option called “Delivery Signature” in the plugin settings, using which your functionality request can be fulfilled.
We request you to check the demo and try this option yourself.
Link for the demo – http://fedexwoodemo.wooforce.com/wp-admin/admin.php?page=wc-settings&tab=shipping§ion=wf_fedex_woocommerce_shipping_method