Yes, but only when you purchase Pride in the Park tickets. You will then be given an option to purchase Pride Village Party (PVP) Tickets.
You can purchase Pride in the Park tickets here
Once you have done this, you can then purchase PVP tickets here
Please note that the discounted bolt-on PVP tickets can only be used in conjunction with a Pride in the Park ticket, failure to produce a Pride in the Park with your bolt-on PVP can incur an extra cost