I have a Php WordPress Listeo Theme website. I need customization. -- 6

I have a Php WordPress Listeo Theme website. I need customization. Please read the PDF file before bid on this project. Don't waste my time, A one freelancer already working on it but as he can't complete the project and now he dispute the payment although at the time of awarding him project He was saying yes your work is possible and he can do this perfectly but now he is saying my theme not allow this type of customization. Please check the pdf and tell me can you do this and send me your quotation for this task.