@bakalov.ivaylo
You can also modify the Max distance details to be merged in MT if section views are not set to interactive:

If you set it for example to 20mm, then everything that is outside these 20mm will initiate section views.
Another reason that may be for some parts not initiating section views may be if the model role is set to a part that is not initiating section views:
In MT, load database, and check if model role is listed

If you need to add a model role, add it first in MT, Object Property Editor.
Copy one and re-name:

After that, if you need to modify the behavior, add to this table-AstorBase, ModelRole:

The new model role will have to be added in DSM as well:

This is an example of how we have modified and cut views so they show minimum material without parts that are behind the end plates:

We have added a new view direction and model box name INTERSECTION FROM RIGHT-Front 3/8" rear 1/8".
Hope this helps.
If this information was helpful, please use the Accept as Solution function, this makes it easier for other users.
Regards,
Ilko Dimitrov, IDC-1, M. Eng.
Tekla and Advance Steel Detailer
ACBS Structural Steel Detailing
If it is made of steel, I can model it and detail it.
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