We are PrestaShop 1.7 Ready!!

As of today (2017.01.01), all our modules have been upgraded to supprt PrestaShop 1.7x except a few deprecated moduless.

Where can I see the customer selected pickup location in order detail at back office?

You can find the cusgtomer pickup location of the order on the order detail page.  It is displayed on the upper right corner of the order detail page in the back office.