product_brand/security/ir.model.access.csv

"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
"access_product_brand_product_manager","product.brand","model_product_brand","base.group_partner_manager",1,1,1,1
"access_product_brand_public","product.brand.public","model_product_brand",,1,0,0,0