No. Proteus 7 uses a different library format. You need Proteus 8.0 or higher.
Your microcontroller code might not be sending the correct frame. Add a delay of at least 50ms between show() calls. ws2812 proteus library download install
You can build a behavioral model using Verilog or a generic D flip-flop, but it’s complex and not recommended. but it’s complex and not recommended.