How awesome is the free plugin Woocommerce PDF Invoices and Packing Slips?
It’s free and it’s functionality even outshines the plugin that WooThemes sell. Kudos to Ewout Fernhout for his amazing plugin.
Have you embedded a gravity form onto your page in WordPress and noticed that when you hit the tab key, it doesn’t tab down to the next field as it should? It may be conflicting with another form on your page. To fix this, enter this code into your functions.php and press save.