If you do not require the complex pre-press features of Distiller (such as specific trapping settings or PDF/X validation), there are excellent free alternatives that replicate 90% of user needs.
LibreOffice Draw can open some PostScript files and export as PDF. Adobe Acrobat Distiller Free Download For Windows 10
If you don’t need Adobe-specific features, consider these free or low-cost alternatives: If you do not require the complex pre-press