Hi,
You have to save the product once in order to have the "access level" button on the price.
New prices, added with the "add" button would not have the "access level" button directly, you just have to save the product and the option would be accessible.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.