A3 Landscape dashboard layout - SSRS

For A3 Landscape dashboard style settings:

Report Properties:
Grid Spacing  0.2cm

InteractiveSize
    Width  42cm
    Height  0cm

Margin all 0.5cm

PageSize
    Width  42cm
    Height  29.7cm

Body Properties:
Size
    Width  41cm
    Height  28.7cm
 

Pagination - SSRS

To remove pagination on the webpage set InteractiveHeight to 0

A4 Portrait layout - SSRS

For A4 Portrait settings:

Report Properties:
Grid Spacing  0.2cm

InteractiveSize
    Width  21cm
    Height  0cm

Margin all 0.5cm

PageSize
    Width  21cm
    Height  29.7cm

Body Properties:
Size
    Width  20cm
    Height  28.7cm