GROUP of BASIS

Function Module : CONVERT_ABAPSPOOLJOB_2_PDF

Include : THSTXWFPL
*-------------  for modify font size
decrease fontsze foncharacter will increase
fontsize = 120.    <-- Change
fontsize = 100.  or fontsize = 80

Depend on your logon lang. My case logon 'TH' or 2.  I modified font ZCORDIA (refer CordiaNEW thai font)
*-----------------
if is_cascading is initial.
  case language.
  when '0'. "Serbian
    font = 'COURCYR'.  devtype = 'SAPWIN'.
  when '1'. "simpl.Chinese
    font = 'CNHEI'.    devtype = 'CNSAPWIN'. cjklang = 'X'.
  when '2'. "Thai
*   font = 'THDRAFT'.  devtype = 'THPDF'.
   font = 'ZCORDIA'.  devtype = 'ZMTHSWNU'.
*     font = 'THANGSAN'.  devtype = 'ZPDFUC'.
  when '3'. "Korean
    font = 'KPSAMMUL'. devtype = 'KPSAPWIN'. cjklang = 'X'.
  when '4'. "Romanian
    font = 'COURIER'.  devtype = 'I2SWIN'.
  when '5'. "Slovenian
    font = 'COURIER'.  devtype = 'I2SWIN'.
  when '6'. "Croatian
    font = 'COURIER'.  devtype = 'I2SWIN'.
  when '8'. "Ukranian
    font = 'COURCYR'.  devtype = 'SAPWIN'.
*-------------------

#### Add font Cordia Thai
SE73 --> Fon familia --> ZCORDIA

#### Load Font Cordia thai to system
SE38 --> RSTXPDF2UC
load CORDIA.TTF

SE73 --> printer font --> 'ZMTHSWNU'
Add ZCORDIA font and copy AFM Metric from = 'THDRAFT'.  devtype = 'THPDF'.
Modify AFM
example
*------- OLD-------------
StartFontMetrics 2.0
sapFamily ZCORDIA
sapHeight 000
sapBold false
sapItalic false
StartCharMetrics 0183
WX 0500 ; N space                          ;
WX 0500 ; N exclam                         ;
WX 0500 ; N quotedbl                       ;
WX 0500 ; N numbersign                     ;
WX 0500 ; N dollar                         ;
WX 0500 ; N percent                        ;
WX 0500 ; N ampersand                      ;

*--------NEW----------
StartFontMetrics 2.0
sapFamily ZCORDIA
sapHeight 000
sapBold false
sapItalic false
StartCharMetrics 0183
WX 0375 ; N space                          ;
WX 0375 ; N exclam                         ;
WX 0375 ; N quotedbl                       ;
WX 0375 ; N numbersign                     ;
WX 0375 ; N dollar                         ;
WX 0375 ; N percent                        ;
WX 0375 ; N ampersand                      ;

Result : decrease space between character.   Then Your PDF will have BIGGER FONT.