How do I change the font size for a PDF document?

You can change the font size in a PDF by editing the Print Template in Vtiger.
Follow these steps to change the font size in a PDF:

1. Log in to the CRM. 
2. Click main Menu. 
3. Go to Tools >Templates > Print Templates. The Print Templates page opens. 
4. Open the Print Template you want to modify.
5. Select the text you want to resize.
6. Choose the desired font size from the Size drop-down menu.
7. Optionally, change the font style using the Font tab.
8. Click Save.

The updated font size will appear in the generated PDF for modules like Invoice, Quote, or Sales Order. This allows you to customize the appearance of your PDFs according to your preferences.