Can I have three crosstab reports plus charts in one crystal report 2008?

I added one cross tab report and bar chart based on it in report header and it works fine. i need to add two more crosstabs and charts, I added one more in report header section but when I run report it does not show up? row and column fields are same for all three reports only data fields are difeerent (Cost, units and revenue). so basically they all come from same command query. I have set five parameter fields for row selection. will same parameter field work for all three crosstabs? Thanks for help.