The Align to Grid option is available to align figures with the grid. Select each desired figure and use one of the following methods to align a figure(s) to the grid:
Use the Align to Grid Button located on the main toolbar.
The option will first align the upper left hand corner of the selected figures to the grid and then resize it to make all four corners align with the grid.
The following screenshots show a before and after of a shape that has been aligned to the grid.
Note: The Snap To Grid option must be disabled to place a figure anywhere within the grid lines on the Drawing Canvas. This option must be enabled for the Align to Grid option to provide the results shown above.