Do you get any error message while running the report? What happens when you schedule the report?
Also have a look at this SAP note:
1819962 - Webi report takes a long time to open and save to PDF and Excel formats.
Do you get any error message while running the report? What happens when you schedule the report?
Also have a look at this SAP note:
1819962 - Webi report takes a long time to open and save to PDF and Excel formats.