probleme showing pdf genereted by oracle forms 11g on mobile

Hello

my pdf (named pdf 1) genereted by oracle forms 11g on mobile isn't showed well on mobile (android and iOS): some texts are shifted and superimposed

• no problem on PC
• when i open it on PC, and print to PDF by using 'Microsoft Print To PDF' => i have no problem with the new pdf (named pdf 2)

• I don't why and how to fix it ?

somes informations about 2 pdfs that i noticed

• pdf 1 : %PDF-1.4, 15 Kbytes
• pdf 2 : %PDF-1.7, 234 Kbytes (15 times bigger!)

my codes in forms

   v_report_id:= FIND_REPORT_OBJECT('rp2rro');

  SET_REPORT_OBJECT_PROPERTY(v_report_id,REPORT_COMM_MODE, SYNCHRONOUS);