Each report can be set to a maximum once per hour frequency.

There is a limit of 20 reports per repository or view.

Email attachments are limited to 5MB.

Table and Event List widgets can output a maximum of 1,000 rows.

The PDF report does automatically handle or solve for reports or dashboard layouts that are wider than the available PDF report width. The report system does not support an arbitrary number of columns and rows.

Use the layout preview functionality you can see how it will look, and the red borders indicate that something is going out of bounds.

The dashboard can then be adjusted accordingly to fit the size of the PDF report, or alternatively if the dashboard is used for other purposes as well then create a copy with the needed changes.