You can change the appearance of the text for the entire table or just for specific table cells.
You can set the font for the entire table.
Tap the table, tap 
, then tap Table.
Tap Table Options, then tap Table Font at the bottom of the list.
Tap a font name.
If you want to apply a different character style (for example, bold or italic), tap 
next to the font name, then tap a character style. If you don’t see a specific character style, it’s not available for the font.
Tap Smaller or Larger to change the font size.
You can change the font, color, size, and other attributes of text in table cells.
Select the cells with the text you want to change.
Tap , tap Cell, then use the controls to select a typeface (bold, italic, underline, or strikethrough).
Tap Text Options, then use the controls to change the size, color, or font.
Note: To apply a character style, select the text you want to change. The character style controls aren’t enabled if only the cell is selected.
If the cell isn’t wide enough to display the text on one line, you can wrap the text so that it appears on multiple lines in the cell.
Wrap text in a cell: Tap the cell, tap , tap Cell, then turn on Wrap Text in Cell.
Wrap text for a row or column: Select the row or column, tap , tap Cell, then turn on Wrap Text in Cell.