When working in the Drawing environment (*.idw or *.dwg), the Tolerance Table command from PowerPack for Inventor can be used to create a table based on existing dimensions with tolerance in the drawing.
The command can be found in the Toolbox panel.

Tolerance Table command
The drawing must contain at least one dimension with tolerance so that you can use this function:

Dimension tolerance
If an inspection dimension exists, you can simply create the table using the Tolerance Table function:

Tolerance table in the drawing
The configuration of the table can be found in Toolbox Settings > Tolerance Table.