chore(grid): Limitations article in Virtualized Columns article

Author: svdimitr

components/grid/columns/virtual.md

@@ -14,6 +14,7 @@ The Telerik Blazor Grid provides Virtual Scrolling for its Columns. This means t
 
 This article provides the following sections:
 * [Basics](#basics)
+* [Limitations](#limitations)
 * [Notes](#notes)
 * [More Examples](#more-examples)
     * [Virtualized Columns and Rows](#virtualized-columns-and-rows)
@@ -115,6 +116,10 @@ To enable Virtualized Columns:
 ![gif of virtual columns](images/virtual-columns-basic.gif)
 
 
+## Limitations
+
+* Virtualized and [Frozen]({%slug grid-columns-frozen%}) are not supported to work together. The idea behind freezing some columns is so that they are visible at all time disregarding their position in the Grid. The Virtualized Columns, on the other hand, render only the columns for the current Grid viewport.
+
 ## Notes
 
  * The `RowHeight` must accommodate the height of all the possible cells and their content in order to ensure good appearance. If certain cells that are not rendered have content that is taller than the rendered ones, you may experience glitches and unstable scrolling.