To apply product tags sync on your store, please:
1. Go to InstantSearch+ dashboard.
2. Click on the "Sync" tab.
3. Scroll down to view sync options, and enable the "Tags Sync" option. InstantSearch+ will now index your site's product tags.
Please note that you can enable or disable other indexing options:
Vendor Sync - your products vendor name.
Description Sync - products description.
SKU Sync - allow search by products SKU, with or without typo correction.
Tags: Syncing InstantSearch+ to Search Product Tags
