Helpcenter Knowledge Base Visibility Problem

Helpcenter Knowledge Base Visibility Problem

Hello,

I have created a knowledge base and I want to adjust the visibility of the sections that I created.

I created groups for the knowledge base for the areas and locations.

I set the visibility of the knowledge base for each group I created. I have created different sections and I do not want to show all the sections to each group. Unfortunately, I cannot change the visibility of the sections separately. This is funny. 

How can I give visibility to each groups different sections?

For example, I have only one knowledge base.

In this knowledge base, I have different sections. Also, I have 4 groups let's say.

Section, A, B, C, D.

Group, X, Y, Z

How can I show sections A and B to group X? and how Can I hide sections C and D from Group X?

Please see the attached pictures.