How to read or view PDF file in windows form

Question

I tried to use Activex Control But I get error that "

 

I Tried Below Code :

 

AxAcroPDF a = new AxAcroPDF();
axAcroPDF1.CreateControl();
a.LoadFile(Application.StartupPath + "\\Reports\\");
a.Show(); 

I Got Error- 

How to fix it error that Sysytem.windows.form AxHost.InvalidActiveXStateException " was through

If There Is any other option Then plz tel me.