Hello Catalin, shure I try to explain better.
This is my home page.
If you try to scroll from up to down, viewing the ‘right column’ (the right side)
you can see the first block that move perfectly (like sticky/smart sidebar)
to show a perfect alignment. this is screenshot:

if you go down, you find a second block that has ‘td-ss-row’ as well, but this
wont not move/scroll. this is screenshot:

if you go down again, you can find the third block with ‘td-ss-row’, but this
don’t want to move/scroll too. this is screenshot:

Shortly: I can move with sticky/smart effect only first block abowe,
so where I do wrong?
Thank you Catalin
Hello
If you want to have smart sidebar enabled for each segment of your sidebar, please ensure that you have td-ss-row class applied for each column which is part of your sidebar, like this -> https://www.screencast.com/t/uSPL2yRRKi For more information about this feature, please consult here -> https://forum.tagdiv.com/smart-sidebar-2/
Hope this helps and let us know how it goes!
Thanks for the message!
Hello MattiaVe,
Please ensure that you do not use some untested plugins which can interact with the theme js files and cause a lot of unknown issues. Try to disable all of them, leave just Visual Composer to active, clear all your caches and install only the plugins that come bundled with the theme packet and rule out any conflicting plugins. Also, if the problem is still there and if you need more assistance in this regard after you follow my above advice, please send us an email at contact@tagdiv.com with your log-in information (wp-admin) so we can further inspect it closer your setup page. Also, provide there the link of this topic so we can quickly identify you.
Thanks for your understanding!