If you purchased more than one ticket, in most cases* they will be included in the same email/print-out.
If ticket holders are travelling to the venue separately you can print out the same ticket separately or show the same email on your phones.
The venue/host knows how many tickets there are on each order and will simply adjust the number until everyone has arrived.
However, this makes it important to ensure the email/ticket is not shared beyond the intended atendees as there is no ID associated with the ticket as anyone who has a copy of the email/printout can use it to gain entry.
*We send individual tickets where the promoter has requested we assign a QR Code to each attendee.