Table data region in Page report has RepeatBlankRows property that lets you control the behavior of blank rows with the help of options:

• None: indicates no filling of extra space with blank rows.
• FillPage: fills the empty space within a page with blank rows, to reach the table's FixedHeight. Note that this setting is equivalent to property RepeatToFill property (obsolete) set to 'True'.
• FillGroup: fills the table with blank rows within a group.

The following image shows the last page of a report with Table data region's RepeatBlankRows property set to 'FillPage'.

The following image shows the last page of a report with Table data region's RepeatBlankRows property set to 'None'.