As I know Qlik customers are named as partners. When this thread was initiated, Qlik Sense Feb Release GA was not announced and only tech preview was available on specific site. But now GA is announced, you can download from regular Qliktech site -
You may inquire with Qlik Support to know why its not showing 'P' against your User Name. When I changed my email id to my company ID through Qlik Support, I started getting all the accesses like tech preview, partner portal etc.