To access the General Settings;
1- Click on your username in the upper right corner of the screen.
2- Click on the Settings button.
Field Force Product Access is used to set the products which can be seen by the field force.
If the All Products box is marked; field force can access to all products.
If the Products In Assigned Group box is marked; field force can only access the products assigned to himself.
If the Products With Assigned Tags box is marked; field force can only access the products which has the same product tags with himself.