Hi,
HikaMarket front-edition just have one single vendor. It means that all users which will have front-edition right would be able to edit all products of the store.
With HikaMarket mult-vendor there is the "vendor" feature and at this moment you can split the products to different vendors and each vendor can only manage his products.
But in the front-edition one, because there is only one vendor, the user can edit all products.
So I think that if you want to split the products into different vendors, HikaMarket multi-vendor should be required.
At this moment you will have the right feature with the correct right separation.
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.