I have windows 10 installed. I open many application at once for my work and I can access then form my task bar. Task is at right side of the screen but it do not show all the icons at once instead it show a scroll bar. I have increased the width of taskbar still it is not showing all icons. Is there any other setting needs to be changed?
Please refer screenshot below.
The answer is: no, you cannot - at least not for the application icons pinned directly to the taskbar. If you add another symbols folder to the task bar, then you can do this, see:
I never used a vertical taskbar before on Windows (maybe you come from Ubuntu Unity desktop?), but I just tried the idea from the first link and it works. Here is a screenshot from my experiment:
In combination with small taskbar symbols you could achieve a more compact view.
Another option is to deactivate the title (here: "Desktop") and symbol titles for the taskbar folder, then it looks like this: