Many Islamic publishers in Gujarat (like , Darul Uloom Chalthan , and Jamiat Dawatul Haq ) have released official PDFs. Search for their official websites. Look for the publication "Kalam-e-Haq" or "Gujarati Tarjuma Quran".
When searching for Ayatul Kursi in Gujarati, a comprehensive PDF book should ideally include: Arabic Text : The original verse in its sacred Arabic script. Gujarati Transliteration